168278920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{14557}}^1$

素因数の和:14602

約数の個数: 48

約数和(自身を含む): 402237540

約数和(自身を除く): 233958620

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 14557, 29114, 58228, 72785, 116456, 145570, 247469, 291140, 494938, 582280, 989876, 1237345, 1979752, 2474690, 4206973, 4949380, 8413946, 9898760, 16827892, 21034865, 33655784, 42069730, 84139460, 168278920]

約数ペア:

[(1, 168278920), (2, 84139460), (4, 42069730), (5, 33655784), (8, 21034865), (10, 16827892), (17, 9898760), (20, 8413946), (34, 4949380), (40, 4206973), (68, 2474690), (85, 1979752), (136, 1237345), (170, 989876), (289, 582280), (340, 494938), (578, 291140), (680, 247469), (1156, 145570), (1445, 116456), (2312, 72785), (2890, 58228), (5780, 29114), (11560, 14557)]