2102058475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 3013311600

約数和(自身を除く): 911253125

約数列:

[1, 5, 11, 25, 29, 55, 61, 145, 149, 275, 305, 319, 671, 725, 745, 841, 1525, 1595, 1639, 1769, 3355, 3725, 4205, 4321, 7975, 8195, 8845, 9089, 9251, 16775, 19459, 21025, 21605, 40975, 44225, 45445, 46255, 47531, 51301, 97295, 99979, 108025, 125309, 227225, 231275, 237655, 256505, 263581, 486475, 499895, 564311, 626545, 1188275, 1282525, 1317905, 1378399, 2499475, 2821555, 2899391, 3132725, 6589525, 6891995, 7643849, 14107775, 14496955, 34459975, 38219245, 72484775, 84082339, 191096225, 420411695, 2102058475]

約数ペア:

[(1, 2102058475), (5, 420411695), (11, 191096225), (25, 84082339), (29, 72484775), (55, 38219245), (61, 34459975), (145, 14496955), (149, 14107775), (275, 7643849), (305, 6891995), (319, 6589525), (671, 3132725), (725, 2899391), (745, 2821555), (841, 2499475), (1525, 1378399), (1595, 1317905), (1639, 1282525), (1769, 1188275), (3355, 626545), (3725, 564311), (4205, 499895), (4321, 486475), (7975, 263581), (8195, 256505), (8845, 237655), (9089, 231275), (9251, 227225), (16775, 125309), (19459, 108025), (21025, 99979), (21605, 97295), (40975, 51301), (44225, 47531), (45445, 46255)]