491803120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{54403}}^1$

素因数の和:54529

約数の個数: 40

約数和(自身を含む): 1153582416

約数和(自身を除く): 661779296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 54403, 108806, 217612, 272015, 435224, 544030, 870448, 1088060, 2176120, 4352240, 6147539, 12295078, 24590156, 30737695, 49180312, 61475390, 98360624, 122950780, 245901560, 491803120]

約数ペア:

[(1, 491803120), (2, 245901560), (4, 122950780), (5, 98360624), (8, 61475390), (10, 49180312), (16, 30737695), (20, 24590156), (40, 12295078), (80, 6147539), (113, 4352240), (226, 2176120), (452, 1088060), (565, 870448), (904, 544030), (1130, 435224), (1808, 272015), (2260, 217612), (4520, 108806), (9040, 54403)]