205876400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 527704320

約数和(自身を除く): 321827920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 103, 152, 190, 200, 206, 263, 304, 380, 400, 412, 475, 515, 526, 760, 824, 950, 1030, 1052, 1315, 1520, 1648, 1900, 1957, 2060, 2104, 2575, 2630, 3800, 3914, 4120, 4208, 4997, 5150, 5260, 6575, 7600, 7828, 8240, 9785, 9994, 10300, 10520, 13150, 15656, 19570, 19988, 20600, 21040, 24985, 26300, 27089, 31312, 39140, 39976, 41200, 48925, 49970, 52600, 54178, 78280, 79952, 97850, 99940, 105200, 108356, 124925, 135445, 156560, 195700, 199880, 216712, 249850, 270890, 391400, 399760, 433424, 499700, 514691, 541780, 677225, 782800, 999400, 1029382, 1083560, 1354450, 1998800, 2058764, 2167120, 2573455, 2708900, 4117528, 5146910, 5417800, 8235056, 10293820, 10835600, 12867275, 20587640, 25734550, 41175280, 51469100, 102938200, 205876400]

約数ペア:

[(1, 205876400), (2, 102938200), (4, 51469100), (5, 41175280), (8, 25734550), (10, 20587640), (16, 12867275), (19, 10835600), (20, 10293820), (25, 8235056), (38, 5417800), (40, 5146910), (50, 4117528), (76, 2708900), (80, 2573455), (95, 2167120), (100, 2058764), (103, 1998800), (152, 1354450), (190, 1083560), (200, 1029382), (206, 999400), (263, 782800), (304, 677225), (380, 541780), (400, 514691), (412, 499700), (475, 433424), (515, 399760), (526, 391400), (760, 270890), (824, 249850), (950, 216712), (1030, 199880), (1052, 195700), (1315, 156560), (1520, 135445), (1648, 124925), (1900, 108356), (1957, 105200), (2060, 99940), (2104, 97850), (2575, 79952), (2630, 78280), (3800, 54178), (3914, 52600), (4120, 49970), (4208, 48925), (4997, 41200), (5150, 39976), (5260, 39140), (6575, 31312), (7600, 27089), (7828, 26300), (8240, 24985), (9785, 21040), (9994, 20600), (10300, 19988), (10520, 19570), (13150, 15656)]