200231720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 486864000

約数和(自身を除く): 286632280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 419, 520, 838, 919, 1676, 1838, 2095, 3352, 3676, 4190, 4595, 5447, 7352, 8380, 9190, 10894, 11947, 16760, 18380, 21788, 23894, 27235, 36760, 43576, 47788, 54470, 59735, 95576, 108940, 119470, 217880, 238940, 385061, 477880, 770122, 1540244, 1925305, 3080488, 3850610, 5005793, 7701220, 10011586, 15402440, 20023172, 25028965, 40046344, 50057930, 100115860, 200231720]

約数ペア:

[(1, 200231720), (2, 100115860), (4, 50057930), (5, 40046344), (8, 25028965), (10, 20023172), (13, 15402440), (20, 10011586), (26, 7701220), (40, 5005793), (52, 3850610), (65, 3080488), (104, 1925305), (130, 1540244), (260, 770122), (419, 477880), (520, 385061), (838, 238940), (919, 217880), (1676, 119470), (1838, 108940), (2095, 95576), (3352, 59735), (3676, 54470), (4190, 47788), (4595, 43576), (5447, 36760), (7352, 27235), (8380, 23894), (9190, 21788), (10894, 18380), (11947, 16760)]