739908040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4414

約数の個数: 64

約数和(自身を含む): 1716318720

約数和(自身を除く): 976410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 1220, 1420, 2440, 2840, 4271, 4331, 8542, 8662, 17084, 17324, 21355, 21655, 34168, 34648, 42710, 43310, 85420, 86620, 170840, 173240, 260531, 303241, 521062, 606482, 1042124, 1212964, 1302655, 1516205, 2084248, 2425928, 2605310, 3032410, 5210620, 6064820, 10421240, 12129640, 18497701, 36995402, 73990804, 92488505, 147981608, 184977010, 369954020, 739908040]

約数ペア:

[(1, 739908040), (2, 369954020), (4, 184977010), (5, 147981608), (8, 92488505), (10, 73990804), (20, 36995402), (40, 18497701), (61, 12129640), (71, 10421240), (122, 6064820), (142, 5210620), (244, 3032410), (284, 2605310), (305, 2425928), (355, 2084248), (488, 1516205), (568, 1302655), (610, 1212964), (710, 1042124), (1220, 606482), (1420, 521062), (2440, 303241), (2840, 260531), (4271, 173240), (4331, 170840), (8542, 86620), (8662, 85420), (17084, 43310), (17324, 42710), (21355, 34648), (21655, 34168)]