2470780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 6087312

約数和(自身を除く): 3616532

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 169, 170, 172, 215, 221, 260, 338, 340, 430, 442, 559, 676, 731, 845, 860, 884, 1105, 1118, 1462, 1690, 2210, 2236, 2795, 2873, 2924, 3380, 3655, 4420, 5590, 5746, 7267, 7310, 9503, 11180, 11492, 14365, 14534, 14620, 19006, 28730, 29068, 36335, 38012, 47515, 57460, 72670, 95030, 123539, 145340, 190060, 247078, 494156, 617695, 1235390, 2470780]

約数ペア:

[(1, 2470780), (2, 1235390), (4, 617695), (5, 494156), (10, 247078), (13, 190060), (17, 145340), (20, 123539), (26, 95030), (34, 72670), (43, 57460), (52, 47515), (65, 38012), (68, 36335), (85, 29068), (86, 28730), (130, 19006), (169, 14620), (170, 14534), (172, 14365), (215, 11492), (221, 11180), (260, 9503), (338, 7310), (340, 7267), (430, 5746), (442, 5590), (559, 4420), (676, 3655), (731, 3380), (845, 2924), (860, 2873), (884, 2795), (1105, 2236), (1118, 2210), (1462, 1690)]