211536560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85297}}^1$

素因数の和:85341

約数の個数: 40

約数和(自身を含む): 507693696

約数和(自身を除く): 296157136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85297, 170594, 341188, 426485, 682376, 852970, 1364752, 1705940, 2644207, 3411880, 5288414, 6823760, 10576828, 13221035, 21153656, 26442070, 42307312, 52884140, 105768280, 211536560]

約数ペア:

[(1, 211536560), (2, 105768280), (4, 52884140), (5, 42307312), (8, 26442070), (10, 21153656), (16, 13221035), (20, 10576828), (31, 6823760), (40, 5288414), (62, 3411880), (80, 2644207), (124, 1705940), (155, 1364752), (248, 852970), (310, 682376), (496, 426485), (620, 341188), (1240, 170594), (2480, 85297)]