87986900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 205221240

約数和(自身を除く): 117234340

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 292, 340, 365, 425, 709, 730, 850, 1241, 1418, 1460, 1700, 1825, 2482, 2836, 3545, 3650, 4964, 6205, 7090, 7300, 12053, 12410, 14180, 17725, 24106, 24820, 31025, 35450, 48212, 51757, 60265, 62050, 70900, 103514, 120530, 124100, 207028, 241060, 258785, 301325, 517570, 602650, 879869, 1035140, 1205300, 1293925, 1759738, 2587850, 3519476, 4399345, 5175700, 8798690, 17597380, 21996725, 43993450, 87986900]

約数ペア:

[(1, 87986900), (2, 43993450), (4, 21996725), (5, 17597380), (10, 8798690), (17, 5175700), (20, 4399345), (25, 3519476), (34, 2587850), (50, 1759738), (68, 1293925), (73, 1205300), (85, 1035140), (100, 879869), (146, 602650), (170, 517570), (292, 301325), (340, 258785), (365, 241060), (425, 207028), (709, 124100), (730, 120530), (850, 103514), (1241, 70900), (1418, 62050), (1460, 60265), (1700, 51757), (1825, 48212), (2482, 35450), (2836, 31025), (3545, 24820), (3650, 24106), (4964, 17725), (6205, 14180), (7090, 12410), (7300, 12053)]