4400890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 8643600

約数和(自身を除く): 4242710

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 349, 485, 698, 970, 1261, 1745, 2522, 3490, 4537, 6305, 9074, 12610, 22685, 33853, 45370, 67706, 169265, 338530, 440089, 880178, 2200445, 4400890]

約数ペア:

[(1, 4400890), (2, 2200445), (5, 880178), (10, 440089), (13, 338530), (26, 169265), (65, 67706), (97, 45370), (130, 33853), (194, 22685), (349, 12610), (485, 9074), (698, 6305), (970, 4537), (1261, 3490), (1745, 2522)]