156919480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{10867}}^1$

素因数の和:10916

約数の個数: 48

約数和(自身を含む): 372663720

約数和(自身を除く): 215744240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 10867, 14440, 21734, 43468, 54335, 86936, 108670, 206473, 217340, 412946, 434680, 825892, 1032365, 1651784, 2064730, 3922987, 4129460, 7845974, 8258920, 15691948, 19614935, 31383896, 39229870, 78459740, 156919480]

約数ペア:

[(1, 156919480), (2, 78459740), (4, 39229870), (5, 31383896), (8, 19614935), (10, 15691948), (19, 8258920), (20, 7845974), (38, 4129460), (40, 3922987), (76, 2064730), (95, 1651784), (152, 1032365), (190, 825892), (361, 434680), (380, 412946), (722, 217340), (760, 206473), (1444, 108670), (1805, 86936), (2888, 54335), (3610, 43468), (7220, 21734), (10867, 14440)]