280805250530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1\times {\mathrm{25639}}^1$

素因数の和:27363

約数の個数: 64

約数和(自身を含む): 583996331520

約数和(自身を除く): 303191080990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 1613, 3226, 3395, 6790, 8065, 11291, 16130, 22582, 25639, 51278, 56455, 112910, 128195, 156461, 179473, 256390, 312922, 358946, 782305, 897365, 1095227, 1564610, 1794730, 2190454, 2486983, 4973966, 5476135, 10952270, 12434915, 17408881, 24869830, 34817762, 41355707, 82711414, 87044405, 174088810, 206778535, 289489949, 413557070, 578979898, 1447449745, 2894899490, 4011503579, 8023007158, 20057517895, 28080525053, 40115035790, 56161050106, 140402625265, 280805250530]

約数ペア:

[(1, 280805250530), (2, 140402625265), (5, 56161050106), (7, 40115035790), (10, 28080525053), (14, 20057517895), (35, 8023007158), (70, 4011503579), (97, 2894899490), (194, 1447449745), (485, 578979898), (679, 413557070), (970, 289489949), (1358, 206778535), (1613, 174088810), (3226, 87044405), (3395, 82711414), (6790, 41355707), (8065, 34817762), (11291, 24869830), (16130, 17408881), (22582, 12434915), (25639, 10952270), (51278, 5476135), (56455, 4973966), (112910, 2486983), (128195, 2190454), (156461, 1794730), (179473, 1564610), (256390, 1095227), (312922, 897365), (358946, 782305)]