1235390

素因数分解:

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

素因数の和:93

約数の個数: 48

約数和(自身を含む): 2608848

約数和(自身を除く): 1373458

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 169, 170, 215, 221, 338, 430, 442, 559, 731, 845, 1105, 1118, 1462, 1690, 2210, 2795, 2873, 3655, 5590, 5746, 7267, 7310, 9503, 14365, 14534, 19006, 28730, 36335, 47515, 72670, 95030, 123539, 247078, 617695, 1235390]

約数ペア:

[(1, 1235390), (2, 617695), (5, 247078), (10, 123539), (13, 95030), (17, 72670), (26, 47515), (34, 36335), (43, 28730), (65, 19006), (85, 14534), (86, 14365), (130, 9503), (169, 7310), (170, 7267), (215, 5746), (221, 5590), (338, 3655), (430, 2873), (442, 2795), (559, 2210), (731, 1690), (845, 1462), (1105, 1118)]