686875480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{6197}}^1$

素因数の和:6388

約数の個数: 64

約数和(自身を含む): 1646684640

約数和(自身を除く): 959809160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1304, 1630, 2771, 3260, 5542, 6197, 6520, 11084, 12394, 13855, 22168, 24788, 27710, 30985, 49576, 55420, 61970, 105349, 110840, 123940, 210698, 247880, 421396, 526745, 842792, 1010111, 1053490, 2020222, 2106980, 4040444, 4213960, 5050555, 8080888, 10101110, 17171887, 20202220, 34343774, 40404440, 68687548, 85859435, 137375096, 171718870, 343437740, 686875480]

約数ペア:

[(1, 686875480), (2, 343437740), (4, 171718870), (5, 137375096), (8, 85859435), (10, 68687548), (17, 40404440), (20, 34343774), (34, 20202220), (40, 17171887), (68, 10101110), (85, 8080888), (136, 5050555), (163, 4213960), (170, 4040444), (326, 2106980), (340, 2020222), (652, 1053490), (680, 1010111), (815, 842792), (1304, 526745), (1630, 421396), (2771, 247880), (3260, 210698), (5542, 123940), (6197, 110840), (6520, 105349), (11084, 61970), (12394, 55420), (13855, 49576), (22168, 30985), (24788, 27710)]