422621680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31259}}^1$

素因数の和:31298

約数の個数: 60

約数和(自身を含む): 1064027880

約数和(自身を除く): 641406200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 31259, 62518, 125036, 156295, 250072, 312590, 406367, 500144, 625180, 812734, 1250360, 1625468, 2031835, 2500720, 3250936, 4063670, 5282771, 6501872, 8127340, 10565542, 16254680, 21131084, 26413855, 32509360, 42262168, 52827710, 84524336, 105655420, 211310840, 422621680]

約数ペア:

[(1, 422621680), (2, 211310840), (4, 105655420), (5, 84524336), (8, 52827710), (10, 42262168), (13, 32509360), (16, 26413855), (20, 21131084), (26, 16254680), (40, 10565542), (52, 8127340), (65, 6501872), (80, 5282771), (104, 4063670), (130, 3250936), (169, 2500720), (208, 2031835), (260, 1625468), (338, 1250360), (520, 812734), (676, 625180), (845, 500144), (1040, 406367), (1352, 312590), (1690, 250072), (2704, 156295), (3380, 125036), (6760, 62518), (13520, 31259)]