406208040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 1451520000

約数和(自身を除く): 1045311960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 139, 140, 142, 147, 168, 196, 210, 213, 245, 278, 280, 284, 294, 343, 355, 392, 417, 420, 426, 490, 497, 556, 568, 588, 686, 695, 710, 735, 834, 840, 852, 973, 980, 994, 1029, 1065, 1112, 1176, 1372, 1390, 1420, 1470, 1491, 1668, 1704, 1715, 1946, 1960, 1988, 2058, 2085, 2130, 2485, 2744, 2780, 2840, 2919, 2940, 2982, 3336, 3430, 3479, 3892, 3976, 4116, 4170, 4260, 4865, 4970, 5145, 5560, 5838, 5880, 5964, 6811, 6860, 6958, 7455, 7784, 8232, 8340, 8520, 9730, 9869, 9940, 10290, 10437, 11676, 11928, 13622, 13720, 13916, 14595, 14910, 16680, 17395, 19460, 19738, 19880, 20433, 20580, 20874, 23352, 24353, 27244, 27832, 29190, 29607, 29820, 34055, 34790, 38920, 39476, 40866, 41160, 41748, 47677, 48706, 49345, 52185, 54488, 58380, 59214, 59640, 68110, 69083, 69580, 73059, 78952, 81732, 83496, 95354, 97412, 98690, 102165, 104370, 116760, 118428, 121765, 136220, 138166, 139160, 143031, 146118, 148035, 163464, 190708, 194824, 197380, 204330, 207249, 208740, 236856, 238385, 243530, 272440, 276332, 286062, 292236, 296070, 345415, 365295, 381416, 394760, 408660, 414498, 417480, 476770, 483581, 487060, 552664, 572124, 584472, 592140, 690830, 715155, 730590, 817320, 828996, 953540, 967162, 974120, 1036245, 1144248, 1184280, 1381660, 1430310, 1450743, 1461180, 1657992, 1907080, 1934324, 2072490, 2417905, 2763320, 2860620, 2901486, 2922360, 3385067, 3868648, 4144980, 4835810, 5721240, 5802972, 6770134, 7253715, 8289960, 9671620, 10155201, 11605944, 13540268, 14507430, 16925335, 19343240, 20310402, 27080536, 29014860, 33850670, 40620804, 50776005, 58029720, 67701340, 81241608, 101552010, 135402680, 203104020, 406208040]

約数ペア:

[(1, 406208040), (2, 203104020), (3, 135402680), (4, 101552010), (5, 81241608), (6, 67701340), (7, 58029720), (8, 50776005), (10, 40620804), (12, 33850670), (14, 29014860), (15, 27080536), (20, 20310402), (21, 19343240), (24, 16925335), (28, 14507430), (30, 13540268), (35, 11605944), (40, 10155201), (42, 9671620), (49, 8289960), (56, 7253715), (60, 6770134), (70, 5802972), (71, 5721240), (84, 4835810), (98, 4144980), (105, 3868648), (120, 3385067), (139, 2922360), (140, 2901486), (142, 2860620), (147, 2763320), (168, 2417905), (196, 2072490), (210, 1934324), (213, 1907080), (245, 1657992), (278, 1461180), (280, 1450743), (284, 1430310), (294, 1381660), (343, 1184280), (355, 1144248), (392, 1036245), (417, 974120), (420, 967162), (426, 953540), (490, 828996), (497, 817320), (556, 730590), (568, 715155), (588, 690830), (686, 592140), (695, 584472), (710, 572124), (735, 552664), (834, 487060), (840, 483581), (852, 476770), (973, 417480), (980, 414498), (994, 408660), (1029, 394760), (1065, 381416), (1112, 365295), (1176, 345415), (1372, 296070), (1390, 292236), (1420, 286062), (1470, 276332), (1491, 272440), (1668, 243530), (1704, 238385), (1715, 236856), (1946, 208740), (1960, 207249), (1988, 204330), (2058, 197380), (2085, 194824), (2130, 190708), (2485, 163464), (2744, 148035), (2780, 146118), (2840, 143031), (2919, 139160), (2940, 138166), (2982, 136220), (3336, 121765), (3430, 118428), (3479, 116760), (3892, 104370), (3976, 102165), (4116, 98690), (4170, 97412), (4260, 95354), (4865, 83496), (4970, 81732), (5145, 78952), (5560, 73059), (5838, 69580), (5880, 69083), (5964, 68110), (6811, 59640), (6860, 59214), (6958, 58380), (7455, 54488), (7784, 52185), (8232, 49345), (8340, 48706), (8520, 47677), (9730, 41748), (9869, 41160), (9940, 40866), (10290, 39476), (10437, 38920), (11676, 34790), (11928, 34055), (13622, 29820), (13720, 29607), (13916, 29190), (14595, 27832), (14910, 27244), (16680, 24353), (17395, 23352), (19460, 20874), (19738, 20580), (19880, 20433)]