519440620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{22409}}^1$

素因数の和:22498

約数の個数: 48

約数和(自身を含む): 1167112800

約数和(自身を除く): 647672180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 22409, 23180, 44818, 89636, 112045, 224090, 425771, 448180, 851542, 1366949, 1703084, 2128855, 2733898, 4257710, 5467796, 6834745, 8515420, 13669490, 25972031, 27338980, 51944062, 103888124, 129860155, 259720310, 519440620]

約数ペア:

[(1, 519440620), (2, 259720310), (4, 129860155), (5, 103888124), (10, 51944062), (19, 27338980), (20, 25972031), (38, 13669490), (61, 8515420), (76, 6834745), (95, 5467796), (122, 4257710), (190, 2733898), (244, 2128855), (305, 1703084), (380, 1366949), (610, 851542), (1159, 448180), (1220, 425771), (2318, 224090), (4636, 112045), (5795, 89636), (11590, 44818), (22409, 23180)]