31236700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 75151440

約数和(自身を除く): 43914740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 275, 292, 365, 389, 550, 730, 778, 803, 1100, 1460, 1556, 1606, 1825, 1945, 3212, 3650, 3890, 4015, 4279, 7300, 7780, 8030, 8558, 9725, 16060, 17116, 19450, 20075, 21395, 28397, 38900, 40150, 42790, 56794, 80300, 85580, 106975, 113588, 141985, 213950, 283970, 312367, 427900, 567940, 624734, 709925, 1249468, 1419850, 1561835, 2839700, 3123670, 6247340, 7809175, 15618350, 31236700]

約数ペア:

[(1, 31236700), (2, 15618350), (4, 7809175), (5, 6247340), (10, 3123670), (11, 2839700), (20, 1561835), (22, 1419850), (25, 1249468), (44, 709925), (50, 624734), (55, 567940), (73, 427900), (100, 312367), (110, 283970), (146, 213950), (220, 141985), (275, 113588), (292, 106975), (365, 85580), (389, 80300), (550, 56794), (730, 42790), (778, 40150), (803, 38900), (1100, 28397), (1460, 21395), (1556, 20075), (1606, 19450), (1825, 17116), (1945, 16060), (3212, 9725), (3650, 8558), (3890, 8030), (4015, 7780), (4279, 7300)]