672019930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 1313262720

約数和(自身を除く): 641242790

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 281, 307, 410, 562, 614, 779, 1405, 1535, 1558, 2810, 3070, 3895, 5339, 5833, 7790, 10678, 11521, 11666, 12587, 23042, 25174, 26695, 29165, 53390, 57605, 58330, 62935, 86267, 115210, 125870, 172534, 218899, 239153, 431335, 437798, 478306, 862670, 1094495, 1195765, 1639073, 2188990, 2391530, 3278146, 3536947, 7073894, 8195365, 16390730, 17684735, 35369470, 67201993, 134403986, 336009965, 672019930]

約数ペア:

[(1, 672019930), (2, 336009965), (5, 134403986), (10, 67201993), (19, 35369470), (38, 17684735), (41, 16390730), (82, 8195365), (95, 7073894), (190, 3536947), (205, 3278146), (281, 2391530), (307, 2188990), (410, 1639073), (562, 1195765), (614, 1094495), (779, 862670), (1405, 478306), (1535, 437798), (1558, 431335), (2810, 239153), (3070, 218899), (3895, 172534), (5339, 125870), (5833, 115210), (7790, 86267), (10678, 62935), (11521, 58330), (11666, 57605), (12587, 53390), (23042, 29165), (25174, 26695)]