193048120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 443037600

約数和(自身を除く): 249989480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 211, 257, 356, 422, 445, 514, 712, 844, 890, 1028, 1055, 1285, 1688, 1780, 2056, 2110, 2570, 3560, 4220, 5140, 8440, 10280, 18779, 22873, 37558, 45746, 54227, 75116, 91492, 93895, 108454, 114365, 150232, 182984, 187790, 216908, 228730, 271135, 375580, 433816, 457460, 542270, 751160, 914920, 1084540, 2169080, 4826203, 9652406, 19304812, 24131015, 38609624, 48262030, 96524060, 193048120]

約数ペア:

[(1, 193048120), (2, 96524060), (4, 48262030), (5, 38609624), (8, 24131015), (10, 19304812), (20, 9652406), (40, 4826203), (89, 2169080), (178, 1084540), (211, 914920), (257, 751160), (356, 542270), (422, 457460), (445, 433816), (514, 375580), (712, 271135), (844, 228730), (890, 216908), (1028, 187790), (1055, 182984), (1285, 150232), (1688, 114365), (1780, 108454), (2056, 93895), (2110, 91492), (2570, 75116), (3560, 54227), (4220, 45746), (5140, 37558), (8440, 22873), (10280, 18779)]