212208620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1251

約数の個数: 96

約数和(自身を含む): 520986816

約数和(自身を除く): 308778196

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 340, 410, 442, 533, 697, 820, 884, 1066, 1105, 1171, 1394, 2132, 2210, 2342, 2665, 2788, 3485, 4420, 4684, 5330, 5855, 6970, 9061, 10660, 11710, 13940, 15223, 18122, 19907, 23420, 30446, 36244, 39814, 45305, 48011, 60892, 76115, 79628, 90610, 96022, 99535, 152230, 181220, 192044, 199070, 240055, 258791, 304460, 398140, 480110, 517582, 624143, 816187, 960220, 1035164, 1248286, 1293955, 1632374, 2496572, 2587910, 3120715, 3264748, 4080935, 5175820, 6241430, 8161870, 10610431, 12482860, 16323740, 21220862, 42441724, 53052155, 106104310, 212208620]

約数ペア:

[(1, 212208620), (2, 106104310), (4, 53052155), (5, 42441724), (10, 21220862), (13, 16323740), (17, 12482860), (20, 10610431), (26, 8161870), (34, 6241430), (41, 5175820), (52, 4080935), (65, 3264748), (68, 3120715), (82, 2587910), (85, 2496572), (130, 1632374), (164, 1293955), (170, 1248286), (205, 1035164), (221, 960220), (260, 816187), (340, 624143), (410, 517582), (442, 480110), (533, 398140), (697, 304460), (820, 258791), (884, 240055), (1066, 199070), (1105, 192044), (1171, 181220), (1394, 152230), (2132, 99535), (2210, 96022), (2342, 90610), (2665, 79628), (2788, 76115), (3485, 60892), (4420, 48011), (4684, 45305), (5330, 39814), (5855, 36244), (6970, 30446), (9061, 23420), (10660, 19907), (11710, 18122), (13940, 15223)]