1640489790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{770183}}^1$

素因数の和:770264

約数の個数: 32

約数和(自身を含む): 3992633856

約数和(自身を除く): 2352144066

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 770183, 1540366, 2310549, 3850915, 4621098, 7701830, 11552745, 23105490, 54682993, 109365986, 164048979, 273414965, 328097958, 546829930, 820244895, 1640489790]

約数ペア:

[(1, 1640489790), (2, 820244895), (3, 546829930), (5, 328097958), (6, 273414965), (10, 164048979), (15, 109365986), (30, 54682993), (71, 23105490), (142, 11552745), (213, 7701830), (355, 4621098), (426, 3850915), (710, 2310549), (1065, 1540366), (2130, 770183)]