512888920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 1171609920

約数和(自身を除く): 658721000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 233, 452, 466, 487, 565, 904, 932, 974, 1130, 1165, 1864, 1948, 2260, 2330, 2435, 3896, 4520, 4660, 4870, 9320, 9740, 19480, 26329, 52658, 55031, 105316, 110062, 113471, 131645, 210632, 220124, 226942, 263290, 275155, 440248, 453884, 526580, 550310, 567355, 907768, 1053160, 1100620, 1134710, 2201240, 2269420, 4538840, 12822223, 25644446, 51288892, 64111115, 102577784, 128222230, 256444460, 512888920]

約数ペア:

[(1, 512888920), (2, 256444460), (4, 128222230), (5, 102577784), (8, 64111115), (10, 51288892), (20, 25644446), (40, 12822223), (113, 4538840), (226, 2269420), (233, 2201240), (452, 1134710), (466, 1100620), (487, 1053160), (565, 907768), (904, 567355), (932, 550310), (974, 526580), (1130, 453884), (1165, 440248), (1864, 275155), (1948, 263290), (2260, 226942), (2330, 220124), (2435, 210632), (3896, 131645), (4520, 113471), (4660, 110062), (4870, 105316), (9320, 55031), (9740, 52658), (19480, 26329)]