187748840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 247707160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 239, 328, 410, 478, 479, 820, 956, 958, 1195, 1640, 1912, 1916, 2390, 2395, 3832, 4780, 4790, 9560, 9580, 9799, 19160, 19598, 19639, 39196, 39278, 48995, 78392, 78556, 97990, 98195, 114481, 157112, 195980, 196390, 228962, 391960, 392780, 457924, 572405, 785560, 915848, 1144810, 2289620, 4579240, 4693721, 9387442, 18774884, 23468605, 37549768, 46937210, 93874420, 187748840]

約数ペア:

[(1, 187748840), (2, 93874420), (4, 46937210), (5, 37549768), (8, 23468605), (10, 18774884), (20, 9387442), (40, 4693721), (41, 4579240), (82, 2289620), (164, 1144810), (205, 915848), (239, 785560), (328, 572405), (410, 457924), (478, 392780), (479, 391960), (820, 228962), (956, 196390), (958, 195980), (1195, 157112), (1640, 114481), (1912, 98195), (1916, 97990), (2390, 78556), (2395, 78392), (3832, 48995), (4780, 39278), (4790, 39196), (9560, 19639), (9580, 19598), (9799, 19160)]