868989810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 2303997696

約数和(自身を除く): 1435007886

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 131, 146, 195, 219, 233, 262, 365, 390, 393, 438, 466, 655, 699, 730, 786, 949, 1095, 1165, 1310, 1398, 1703, 1898, 1965, 2190, 2330, 2847, 3029, 3406, 3495, 3930, 4745, 5109, 5694, 6058, 6990, 8515, 9087, 9490, 9563, 10218, 14235, 15145, 17009, 17030, 18174, 19126, 25545, 28470, 28689, 30290, 30523, 34018, 45435, 47815, 51027, 51090, 57378, 61046, 85045, 90870, 91569, 95630, 102054, 124319, 143445, 152615, 170090, 183138, 221117, 248638, 255135, 286890, 305230, 372957, 396799, 442234, 457845, 510270, 621595, 663351, 745914, 793598, 915690, 1105585, 1190397, 1243190, 1326702, 1864785, 1983995, 2211170, 2228179, 2380794, 3316755, 3729570, 3967990, 4456358, 5951985, 6633510, 6684537, 11140895, 11903970, 13369074, 22281790, 28966327, 33422685, 57932654, 66845370, 86898981, 144831635, 173797962, 289663270, 434494905, 868989810]

約数ペア:

[(1, 868989810), (2, 434494905), (3, 289663270), (5, 173797962), (6, 144831635), (10, 86898981), (13, 66845370), (15, 57932654), (26, 33422685), (30, 28966327), (39, 22281790), (65, 13369074), (73, 11903970), (78, 11140895), (130, 6684537), (131, 6633510), (146, 5951985), (195, 4456358), (219, 3967990), (233, 3729570), (262, 3316755), (365, 2380794), (390, 2228179), (393, 2211170), (438, 1983995), (466, 1864785), (655, 1326702), (699, 1243190), (730, 1190397), (786, 1105585), (949, 915690), (1095, 793598), (1165, 745914), (1310, 663351), (1398, 621595), (1703, 510270), (1898, 457845), (1965, 442234), (2190, 396799), (2330, 372957), (2847, 305230), (3029, 286890), (3406, 255135), (3495, 248638), (3930, 221117), (4745, 183138), (5109, 170090), (5694, 152615), (6058, 143445), (6990, 124319), (8515, 102054), (9087, 95630), (9490, 91569), (9563, 90870), (10218, 85045), (14235, 61046), (15145, 57378), (17009, 51090), (17030, 51027), (18174, 47815), (19126, 45435), (25545, 34018), (28470, 30523), (28689, 30290)]