138031880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 235216120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 89, 116, 140, 145, 178, 191, 203, 232, 280, 290, 356, 382, 406, 445, 580, 623, 712, 764, 812, 890, 955, 1015, 1160, 1246, 1337, 1528, 1624, 1780, 1910, 2030, 2492, 2581, 2674, 3115, 3560, 3820, 4060, 4984, 5162, 5348, 5539, 6230, 6685, 7640, 8120, 10324, 10696, 11078, 12460, 12905, 13370, 16999, 18067, 20648, 22156, 24920, 25810, 26740, 27695, 33998, 36134, 38773, 44312, 51620, 53480, 55390, 67996, 72268, 77546, 84995, 90335, 103240, 110780, 118993, 135992, 144536, 155092, 169990, 180670, 193865, 221560, 237986, 310184, 339980, 361340, 387730, 475972, 492971, 594965, 679960, 722680, 775460, 951944, 985942, 1189930, 1550920, 1971884, 2379860, 2464855, 3450797, 3943768, 4759720, 4929710, 6901594, 9859420, 13803188, 17253985, 19718840, 27606376, 34507970, 69015940, 138031880]

約数ペア:

[(1, 138031880), (2, 69015940), (4, 34507970), (5, 27606376), (7, 19718840), (8, 17253985), (10, 13803188), (14, 9859420), (20, 6901594), (28, 4929710), (29, 4759720), (35, 3943768), (40, 3450797), (56, 2464855), (58, 2379860), (70, 1971884), (89, 1550920), (116, 1189930), (140, 985942), (145, 951944), (178, 775460), (191, 722680), (203, 679960), (232, 594965), (280, 492971), (290, 475972), (356, 387730), (382, 361340), (406, 339980), (445, 310184), (580, 237986), (623, 221560), (712, 193865), (764, 180670), (812, 169990), (890, 155092), (955, 144536), (1015, 135992), (1160, 118993), (1246, 110780), (1337, 103240), (1528, 90335), (1624, 84995), (1780, 77546), (1910, 72268), (2030, 67996), (2492, 55390), (2581, 53480), (2674, 51620), (3115, 44312), (3560, 38773), (3820, 36134), (4060, 33998), (4984, 27695), (5162, 26740), (5348, 25810), (5539, 24920), (6230, 22156), (6685, 20648), (7640, 18067), (8120, 16999), (10324, 13370), (10696, 12905), (11078, 12460)]