663827450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 1460531520

約数和(自身を除く): 796704070

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 227, 275, 286, 325, 409, 454, 550, 650, 715, 818, 1135, 1430, 2045, 2270, 2497, 2951, 3575, 4090, 4499, 4994, 5317, 5675, 5902, 7150, 8998, 10225, 10634, 11350, 12485, 14755, 20450, 22495, 24970, 26585, 29510, 32461, 44990, 53170, 58487, 62425, 64922, 73775, 92843, 112475, 116974, 124850, 132925, 147550, 162305, 185686, 224950, 265850, 292435, 324610, 464215, 584870, 811525, 928430, 1021273, 1206959, 1462175, 1623050, 2042546, 2321075, 2413918, 2924350, 4642150, 5106365, 6034795, 10212730, 12069590, 13276549, 25531825, 26553098, 30173975, 51063650, 60347950, 66382745, 132765490, 331913725, 663827450]

約数ペア:

[(1, 663827450), (2, 331913725), (5, 132765490), (10, 66382745), (11, 60347950), (13, 51063650), (22, 30173975), (25, 26553098), (26, 25531825), (50, 13276549), (55, 12069590), (65, 10212730), (110, 6034795), (130, 5106365), (143, 4642150), (227, 2924350), (275, 2413918), (286, 2321075), (325, 2042546), (409, 1623050), (454, 1462175), (550, 1206959), (650, 1021273), (715, 928430), (818, 811525), (1135, 584870), (1430, 464215), (2045, 324610), (2270, 292435), (2497, 265850), (2951, 224950), (3575, 185686), (4090, 162305), (4499, 147550), (4994, 132925), (5317, 124850), (5675, 116974), (5902, 112475), (7150, 92843), (8998, 73775), (10225, 64922), (10634, 62425), (11350, 58487), (12485, 53170), (14755, 44990), (20450, 32461), (22495, 29510), (24970, 26585)]