123603820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 275259600

約数和(自身を除く): 151655780

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 109, 118, 124, 155, 218, 236, 295, 310, 436, 545, 590, 620, 961, 1090, 1180, 1829, 1922, 2180, 3379, 3658, 3844, 4805, 6431, 6758, 7316, 9145, 9610, 12862, 13516, 16895, 18290, 19220, 25724, 32155, 33790, 36580, 56699, 64310, 67580, 104749, 113398, 128620, 199361, 209498, 226796, 283495, 398722, 418996, 523745, 566990, 797444, 996805, 1047490, 1133980, 1993610, 2094980, 3987220, 6180191, 12360382, 24720764, 30900955, 61801910, 123603820]

約数ペア:

[(1, 123603820), (2, 61801910), (4, 30900955), (5, 24720764), (10, 12360382), (20, 6180191), (31, 3987220), (59, 2094980), (62, 1993610), (109, 1133980), (118, 1047490), (124, 996805), (155, 797444), (218, 566990), (236, 523745), (295, 418996), (310, 398722), (436, 283495), (545, 226796), (590, 209498), (620, 199361), (961, 128620), (1090, 113398), (1180, 104749), (1829, 67580), (1922, 64310), (2180, 56699), (3379, 36580), (3658, 33790), (3844, 32155), (4805, 25724), (6431, 19220), (6758, 18290), (7316, 16895), (9145, 13516), (9610, 12862)]