217868560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29927}}^1$

素因数の和:29960

約数の個数: 80

約数和(自身を含む): 623460096

約数和(自身を除く): 405591536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 29927, 59854, 119708, 149635, 209489, 239416, 299270, 389051, 418978, 478832, 598540, 778102, 837956, 1047445, 1197080, 1556204, 1675912, 1945255, 2094890, 2394160, 2723357, 3112408, 3351824, 3890510, 4189780, 5446714, 6224816, 7781020, 8379560, 10893428, 13616785, 15562040, 16759120, 21786856, 27233570, 31124080, 43573712, 54467140, 108934280, 217868560]

約数ペア:

[(1, 217868560), (2, 108934280), (4, 54467140), (5, 43573712), (7, 31124080), (8, 27233570), (10, 21786856), (13, 16759120), (14, 15562040), (16, 13616785), (20, 10893428), (26, 8379560), (28, 7781020), (35, 6224816), (40, 5446714), (52, 4189780), (56, 3890510), (65, 3351824), (70, 3112408), (80, 2723357), (91, 2394160), (104, 2094890), (112, 1945255), (130, 1675912), (140, 1556204), (182, 1197080), (208, 1047445), (260, 837956), (280, 778102), (364, 598540), (455, 478832), (520, 418978), (560, 389051), (728, 299270), (910, 239416), (1040, 209489), (1456, 149635), (1820, 119708), (3640, 59854), (7280, 29927)]