212128280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 594276480

約数和(自身を除く): 382148200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 101, 104, 130, 140, 182, 202, 260, 280, 364, 404, 455, 505, 520, 577, 707, 728, 808, 910, 1010, 1154, 1313, 1414, 1820, 2020, 2308, 2626, 2828, 2885, 3535, 3640, 4039, 4040, 4616, 5252, 5656, 5770, 6565, 7070, 7501, 8078, 9191, 10504, 11540, 13130, 14140, 15002, 16156, 18382, 20195, 23080, 26260, 28280, 30004, 32312, 36764, 37505, 40390, 45955, 52507, 52520, 58277, 60008, 73528, 75010, 80780, 91910, 105014, 116554, 150020, 161560, 183820, 210028, 233108, 262535, 291385, 300040, 367640, 407939, 420056, 466216, 525070, 582770, 757601, 815878, 1050140, 1165540, 1515202, 1631756, 2039695, 2100280, 2331080, 3030404, 3263512, 3788005, 4079390, 5303207, 6060808, 7576010, 8158780, 10606414, 15152020, 16317560, 21212828, 26516035, 30304040, 42425656, 53032070, 106064140, 212128280]

約数ペア:

[(1, 212128280), (2, 106064140), (4, 53032070), (5, 42425656), (7, 30304040), (8, 26516035), (10, 21212828), (13, 16317560), (14, 15152020), (20, 10606414), (26, 8158780), (28, 7576010), (35, 6060808), (40, 5303207), (52, 4079390), (56, 3788005), (65, 3263512), (70, 3030404), (91, 2331080), (101, 2100280), (104, 2039695), (130, 1631756), (140, 1515202), (182, 1165540), (202, 1050140), (260, 815878), (280, 757601), (364, 582770), (404, 525070), (455, 466216), (505, 420056), (520, 407939), (577, 367640), (707, 300040), (728, 291385), (808, 262535), (910, 233108), (1010, 210028), (1154, 183820), (1313, 161560), (1414, 150020), (1820, 116554), (2020, 105014), (2308, 91910), (2626, 80780), (2828, 75010), (2885, 73528), (3535, 60008), (3640, 58277), (4039, 52520), (4040, 52507), (4616, 45955), (5252, 40390), (5656, 37505), (5770, 36764), (6565, 32312), (7070, 30004), (7501, 28280), (8078, 26260), (9191, 23080), (10504, 20195), (11540, 18382), (13130, 16156), (14140, 15002)]