31471780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 68040000

約数和(自身を除く): 36568220

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 149, 179, 236, 295, 298, 358, 590, 596, 716, 745, 895, 1180, 1490, 1790, 2980, 3580, 8791, 10561, 17582, 21122, 26671, 35164, 42244, 43955, 52805, 53342, 87910, 105610, 106684, 133355, 175820, 211220, 266710, 533420, 1573589, 3147178, 6294356, 7867945, 15735890, 31471780]

約数ペア:

[(1, 31471780), (2, 15735890), (4, 7867945), (5, 6294356), (10, 3147178), (20, 1573589), (59, 533420), (118, 266710), (149, 211220), (179, 175820), (236, 133355), (295, 106684), (298, 105610), (358, 87910), (590, 53342), (596, 52805), (716, 43955), (745, 42244), (895, 35164), (1180, 26671), (1490, 21122), (1790, 17582), (2980, 10561), (3580, 8791)]