428635480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117757}}^1$

素因数の和:117788

約数の個数: 64

約数和(自身を含む): 1187000640

約数和(自身を除く): 758365160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 117757, 235514, 471028, 588785, 824299, 942056, 1177570, 1530841, 1648598, 2355140, 3061682, 3297196, 4121495, 4710280, 6123364, 6594392, 7654205, 8242990, 10715887, 12246728, 15308410, 16485980, 21431774, 30616820, 32971960, 42863548, 53579435, 61233640, 85727096, 107158870, 214317740, 428635480]

約数ペア:

[(1, 428635480), (2, 214317740), (4, 107158870), (5, 85727096), (7, 61233640), (8, 53579435), (10, 42863548), (13, 32971960), (14, 30616820), (20, 21431774), (26, 16485980), (28, 15308410), (35, 12246728), (40, 10715887), (52, 8242990), (56, 7654205), (65, 6594392), (70, 6123364), (91, 4710280), (104, 4121495), (130, 3297196), (140, 3061682), (182, 2355140), (260, 1648598), (280, 1530841), (364, 1177570), (455, 942056), (520, 824299), (728, 588785), (910, 471028), (1820, 235514), (3640, 117757)]