27779969020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{6163}}^1$

素因数の和:6475

約数の個数: 96

約数和(自身を含む): 62630184960

約数和(自身を除く): 34850215940

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 239, 410, 460, 478, 820, 943, 956, 1195, 1886, 2390, 3772, 4715, 4780, 5497, 6163, 9430, 9799, 10994, 12326, 18860, 19598, 21988, 24652, 27485, 30815, 39196, 48995, 54970, 61630, 97990, 109940, 123260, 141749, 195980, 225377, 252683, 283498, 450754, 505366, 566996, 708745, 901508, 1010732, 1126885, 1263415, 1417490, 1472957, 2253770, 2526830, 2834980, 2945914, 4507540, 5053660, 5811709, 5891828, 7364785, 11623418, 14729570, 23246836, 29058545, 29459140, 33878011, 58117090, 60391237, 67756022, 116234180, 120782474, 135512044, 169390055, 241564948, 301956185, 338780110, 603912370, 677560220, 1207824740, 1388998451, 2777996902, 5555993804, 6944992255, 13889984510, 27779969020]

約数ペア:

[(1, 27779969020), (2, 13889984510), (4, 6944992255), (5, 5555993804), (10, 2777996902), (20, 1388998451), (23, 1207824740), (41, 677560220), (46, 603912370), (82, 338780110), (92, 301956185), (115, 241564948), (164, 169390055), (205, 135512044), (230, 120782474), (239, 116234180), (410, 67756022), (460, 60391237), (478, 58117090), (820, 33878011), (943, 29459140), (956, 29058545), (1195, 23246836), (1886, 14729570), (2390, 11623418), (3772, 7364785), (4715, 5891828), (4780, 5811709), (5497, 5053660), (6163, 4507540), (9430, 2945914), (9799, 2834980), (10994, 2526830), (12326, 2253770), (18860, 1472957), (19598, 1417490), (21988, 1263415), (24652, 1126885), (27485, 1010732), (30815, 901508), (39196, 708745), (48995, 566996), (54970, 505366), (61630, 450754), (97990, 283498), (109940, 252683), (123260, 225377), (141749, 195980)]