388216920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:594

約数の個数: 256

約数和(自身を含む): 1456035840

約数和(自身を除く): 1067818920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 73, 78, 84, 91, 104, 105, 120, 130, 140, 146, 156, 168, 182, 195, 210, 219, 260, 273, 280, 292, 312, 364, 365, 390, 420, 438, 455, 487, 511, 520, 546, 584, 728, 730, 780, 840, 876, 910, 949, 974, 1022, 1092, 1095, 1365, 1460, 1461, 1533, 1560, 1752, 1820, 1898, 1948, 2044, 2184, 2190, 2435, 2555, 2730, 2847, 2920, 2922, 3066, 3409, 3640, 3796, 3896, 4088, 4380, 4745, 4870, 5110, 5460, 5694, 5844, 6132, 6331, 6643, 6818, 7305, 7592, 7665, 8760, 9490, 9740, 10220, 10227, 10920, 11388, 11688, 12264, 12662, 13286, 13636, 14235, 14610, 15330, 17045, 18980, 18993, 19480, 19929, 20440, 20454, 22776, 25324, 26572, 27272, 28470, 29220, 30660, 31655, 33215, 34090, 35551, 37960, 37986, 39858, 40908, 44317, 50648, 51135, 53144, 56940, 58440, 61320, 63310, 66430, 68180, 71102, 75972, 79716, 81816, 88634, 94965, 99645, 102270, 106653, 113880, 126620, 132860, 132951, 136360, 142204, 151944, 159432, 177268, 177755, 189930, 199290, 204540, 213306, 221585, 248857, 253240, 265720, 265902, 284408, 354536, 355510, 379860, 398580, 409080, 426612, 443170, 462163, 497714, 531804, 533265, 664755, 711020, 746571, 759720, 797160, 853224, 886340, 924326, 995428, 1063608, 1066530, 1244285, 1329510, 1386489, 1422040, 1493142, 1772680, 1848652, 1990856, 2133060, 2310815, 2488570, 2659020, 2772978, 2986284, 3235141, 3697304, 3732855, 4266120, 4621630, 4977140, 5318040, 5545956, 5972568, 6470282, 6932445, 7465710, 9243260, 9705423, 9954280, 11091912, 12940564, 13864890, 14931420, 16175705, 18486520, 19410846, 25881128, 27729780, 29862840, 32351410, 38821692, 48527115, 55459560, 64702820, 77643384, 97054230, 129405640, 194108460, 388216920]

約数ペア:

[(1, 388216920), (2, 194108460), (3, 129405640), (4, 97054230), (5, 77643384), (6, 64702820), (7, 55459560), (8, 48527115), (10, 38821692), (12, 32351410), (13, 29862840), (14, 27729780), (15, 25881128), (20, 19410846), (21, 18486520), (24, 16175705), (26, 14931420), (28, 13864890), (30, 12940564), (35, 11091912), (39, 9954280), (40, 9705423), (42, 9243260), (52, 7465710), (56, 6932445), (60, 6470282), (65, 5972568), (70, 5545956), (73, 5318040), (78, 4977140), (84, 4621630), (91, 4266120), (104, 3732855), (105, 3697304), (120, 3235141), (130, 2986284), (140, 2772978), (146, 2659020), (156, 2488570), (168, 2310815), (182, 2133060), (195, 1990856), (210, 1848652), (219, 1772680), (260, 1493142), (273, 1422040), (280, 1386489), (292, 1329510), (312, 1244285), (364, 1066530), (365, 1063608), (390, 995428), (420, 924326), (438, 886340), (455, 853224), (487, 797160), (511, 759720), (520, 746571), (546, 711020), (584, 664755), (728, 533265), (730, 531804), (780, 497714), (840, 462163), (876, 443170), (910, 426612), (949, 409080), (974, 398580), (1022, 379860), (1092, 355510), (1095, 354536), (1365, 284408), (1460, 265902), (1461, 265720), (1533, 253240), (1560, 248857), (1752, 221585), (1820, 213306), (1898, 204540), (1948, 199290), (2044, 189930), (2184, 177755), (2190, 177268), (2435, 159432), (2555, 151944), (2730, 142204), (2847, 136360), (2920, 132951), (2922, 132860), (3066, 126620), (3409, 113880), (3640, 106653), (3796, 102270), (3896, 99645), (4088, 94965), (4380, 88634), (4745, 81816), (4870, 79716), (5110, 75972), (5460, 71102), (5694, 68180), (5844, 66430), (6132, 63310), (6331, 61320), (6643, 58440), (6818, 56940), (7305, 53144), (7592, 51135), (7665, 50648), (8760, 44317), (9490, 40908), (9740, 39858), (10220, 37986), (10227, 37960), (10920, 35551), (11388, 34090), (11688, 33215), (12264, 31655), (12662, 30660), (13286, 29220), (13636, 28470), (14235, 27272), (14610, 26572), (15330, 25324), (17045, 22776), (18980, 20454), (18993, 20440), (19480, 19929)]