259743460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{773}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 558227376

約数和(自身を除く): 298483916

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 317, 530, 634, 773, 1060, 1268, 1546, 1585, 3092, 3170, 3865, 6340, 7730, 15460, 16801, 33602, 40969, 67204, 81938, 84005, 163876, 168010, 204845, 245041, 336020, 409690, 490082, 819380, 980164, 1225205, 2450410, 4900820, 12987173, 25974346, 51948692, 64935865, 129871730, 259743460]

約数ペア:

[(1, 259743460), (2, 129871730), (4, 64935865), (5, 51948692), (10, 25974346), (20, 12987173), (53, 4900820), (106, 2450410), (212, 1225205), (265, 980164), (317, 819380), (530, 490082), (634, 409690), (773, 336020), (1060, 245041), (1268, 204845), (1546, 168010), (1585, 163876), (3092, 84005), (3170, 81938), (3865, 67204), (6340, 40969), (7730, 33602), (15460, 16801)]