79787180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11699}}^1$

素因数の和:11750

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 108910420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 11699, 23398, 46796, 58495, 116990, 128689, 233980, 257378, 362669, 514756, 643445, 725338, 1286890, 1450676, 1813345, 2573780, 3626690, 3989359, 7253380, 7978718, 15957436, 19946795, 39893590, 79787180]

約数ペア:

[(1, 79787180), (2, 39893590), (4, 19946795), (5, 15957436), (10, 7978718), (11, 7253380), (20, 3989359), (22, 3626690), (31, 2573780), (44, 1813345), (55, 1450676), (62, 1286890), (110, 725338), (124, 643445), (155, 514756), (220, 362669), (310, 257378), (341, 233980), (620, 128689), (682, 116990), (1364, 58495), (1705, 46796), (3410, 23398), (6820, 11699)]