449558980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 1055577600

約数和(自身を除く): 606018620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 130, 158, 172, 215, 260, 316, 395, 430, 509, 559, 790, 860, 1018, 1027, 1118, 1580, 2036, 2054, 2236, 2545, 2795, 3397, 4108, 5090, 5135, 5590, 6617, 6794, 10180, 10270, 11180, 13234, 13588, 16985, 20540, 21887, 26468, 33085, 33970, 40211, 43774, 44161, 66170, 67940, 80422, 87548, 88322, 109435, 132340, 160844, 176644, 201055, 218870, 220805, 284531, 402110, 437740, 441610, 522743, 569062, 804220, 883220, 1045486, 1138124, 1422655, 1729073, 2090972, 2613715, 2845310, 3458146, 5227430, 5690620, 6916292, 8645365, 10454860, 17290730, 22477949, 34581460, 44955898, 89911796, 112389745, 224779490, 449558980]

約数ペア:

[(1, 449558980), (2, 224779490), (4, 112389745), (5, 89911796), (10, 44955898), (13, 34581460), (20, 22477949), (26, 17290730), (43, 10454860), (52, 8645365), (65, 6916292), (79, 5690620), (86, 5227430), (130, 3458146), (158, 2845310), (172, 2613715), (215, 2090972), (260, 1729073), (316, 1422655), (395, 1138124), (430, 1045486), (509, 883220), (559, 804220), (790, 569062), (860, 522743), (1018, 441610), (1027, 437740), (1118, 402110), (1580, 284531), (2036, 220805), (2054, 218870), (2236, 201055), (2545, 176644), (2795, 160844), (3397, 132340), (4108, 109435), (5090, 88322), (5135, 87548), (5590, 80422), (6617, 67940), (6794, 66170), (10180, 44161), (10270, 43774), (11180, 40211), (13234, 33970), (13588, 33085), (16985, 26468), (20540, 21887)]