621042890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4251

約数の個数: 48

約数和(自身を含む): 1224379800

約数和(自身を除く): 603336910

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 169, 178, 338, 445, 845, 890, 1157, 1690, 2314, 4129, 5785, 8258, 11570, 15041, 20645, 30082, 41290, 53677, 75205, 107354, 150410, 268385, 367481, 536770, 697801, 734962, 1395602, 1837405, 3489005, 3674810, 4777253, 6978010, 9554506, 23886265, 47772530, 62104289, 124208578, 310521445, 621042890]

約数ペア:

[(1, 621042890), (2, 310521445), (5, 124208578), (10, 62104289), (13, 47772530), (26, 23886265), (65, 9554506), (89, 6978010), (130, 4777253), (169, 3674810), (178, 3489005), (338, 1837405), (445, 1395602), (845, 734962), (890, 697801), (1157, 536770), (1690, 367481), (2314, 268385), (4129, 150410), (5785, 107354), (8258, 75205), (11570, 53677), (15041, 41290), (20645, 30082)]