90389380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 194730480

約数和(自身を除く): 104341100

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 269, 317, 530, 538, 634, 1060, 1076, 1268, 1345, 1585, 2690, 3170, 5380, 6340, 14257, 16801, 28514, 33602, 57028, 67204, 71285, 84005, 85273, 142570, 168010, 170546, 285140, 336020, 341092, 426365, 852730, 1705460, 4519469, 9038938, 18077876, 22597345, 45194690, 90389380]

約数ペア:

[(1, 90389380), (2, 45194690), (4, 22597345), (5, 18077876), (10, 9038938), (20, 4519469), (53, 1705460), (106, 852730), (212, 426365), (265, 341092), (269, 336020), (317, 285140), (530, 170546), (538, 168010), (634, 142570), (1060, 85273), (1076, 84005), (1268, 71285), (1345, 67204), (1585, 57028), (2690, 33602), (3170, 28514), (5380, 16801), (6340, 14257)]