389439960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1930

約数の個数: 256

約数和(自身を含む): 1514419200

約数和(自身を除く): 1124979240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1877, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3754, 3990, 4940, 5187, 5320, 5460, 5631, 5928, 6916, 7410, 7508, 7980, 8645, 9385, 9880, 10374, 10920, 11262, 13139, 13832, 14820, 15016, 15960, 17290, 18770, 20748, 22524, 24401, 25935, 26278, 28155, 29640, 34580, 35663, 37540, 39417, 41496, 45048, 48802, 51870, 52556, 56310, 65695, 69160, 71326, 73203, 75080, 78834, 97604, 103740, 105112, 106989, 112620, 122005, 131390, 142652, 146406, 157668, 170807, 178315, 195208, 197085, 207480, 213978, 225240, 244010, 249641, 262780, 285304, 292812, 315336, 341614, 356630, 366015, 394170, 427956, 463619, 488020, 499282, 512421, 525560, 534945, 585624, 683228, 713260, 732030, 748923, 788340, 854035, 855912, 927238, 976040, 998564, 1024842, 1069890, 1248205, 1366456, 1390857, 1426520, 1464060, 1497846, 1576680, 1708070, 1854476, 1997128, 2049684, 2139780, 2318095, 2496410, 2562105, 2781714, 2928120, 2995692, 3245333, 3416140, 3708952, 3744615, 4099368, 4279560, 4636190, 4992820, 5124210, 5563428, 5991384, 6490666, 6832280, 6954285, 7489230, 9272380, 9735999, 9985640, 10248420, 11126856, 12981332, 13908570, 14978460, 16226665, 18544760, 19471998, 20496840, 25962664, 27817140, 29956920, 32453330, 38943996, 48679995, 55634280, 64906660, 77887992, 97359990, 129813320, 194719980, 389439960]

約数ペア:

[(1, 389439960), (2, 194719980), (3, 129813320), (4, 97359990), (5, 77887992), (6, 64906660), (7, 55634280), (8, 48679995), (10, 38943996), (12, 32453330), (13, 29956920), (14, 27817140), (15, 25962664), (19, 20496840), (20, 19471998), (21, 18544760), (24, 16226665), (26, 14978460), (28, 13908570), (30, 12981332), (35, 11126856), (38, 10248420), (39, 9985640), (40, 9735999), (42, 9272380), (52, 7489230), (56, 6954285), (57, 6832280), (60, 6490666), (65, 5991384), (70, 5563428), (76, 5124210), (78, 4992820), (84, 4636190), (91, 4279560), (95, 4099368), (104, 3744615), (105, 3708952), (114, 3416140), (120, 3245333), (130, 2995692), (133, 2928120), (140, 2781714), (152, 2562105), (156, 2496410), (168, 2318095), (182, 2139780), (190, 2049684), (195, 1997128), (210, 1854476), (228, 1708070), (247, 1576680), (260, 1497846), (266, 1464060), (273, 1426520), (280, 1390857), (285, 1366456), (312, 1248205), (364, 1069890), (380, 1024842), (390, 998564), (399, 976040), (420, 927238), (455, 855912), (456, 854035), (494, 788340), (520, 748923), (532, 732030), (546, 713260), (570, 683228), (665, 585624), (728, 534945), (741, 525560), (760, 512421), (780, 499282), (798, 488020), (840, 463619), (910, 427956), (988, 394170), (1064, 366015), (1092, 356630), (1140, 341614), (1235, 315336), (1330, 292812), (1365, 285304), (1482, 262780), (1560, 249641), (1596, 244010), (1729, 225240), (1820, 213978), (1877, 207480), (1976, 197085), (1995, 195208), (2184, 178315), (2280, 170807), (2470, 157668), (2660, 146406), (2730, 142652), (2964, 131390), (3192, 122005), (3458, 112620), (3640, 106989), (3705, 105112), (3754, 103740), (3990, 97604), (4940, 78834), (5187, 75080), (5320, 73203), (5460, 71326), (5631, 69160), (5928, 65695), (6916, 56310), (7410, 52556), (7508, 51870), (7980, 48802), (8645, 45048), (9385, 41496), (9880, 39417), (10374, 37540), (10920, 35663), (11262, 34580), (13139, 29640), (13832, 28155), (14820, 26278), (15016, 25935), (15960, 24401), (17290, 22524), (18770, 20748)]