388712730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{17971}}^1$

素因数の和:18091

約数の個数: 64

約数和(自身を含む): 1076594688

約数和(自身を除く): 687881958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 206, 210, 309, 515, 618, 721, 1030, 1442, 1545, 2163, 3090, 3605, 4326, 7210, 10815, 17971, 21630, 35942, 53913, 89855, 107826, 125797, 179710, 251594, 269565, 377391, 539130, 628985, 754782, 1257970, 1851013, 1886955, 3702026, 3773910, 5553039, 9255065, 11106078, 12957091, 18510130, 25914182, 27765195, 38871273, 55530390, 64785455, 77742546, 129570910, 194356365, 388712730]

約数ペア:

[(1, 388712730), (2, 194356365), (3, 129570910), (5, 77742546), (6, 64785455), (7, 55530390), (10, 38871273), (14, 27765195), (15, 25914182), (21, 18510130), (30, 12957091), (35, 11106078), (42, 9255065), (70, 5553039), (103, 3773910), (105, 3702026), (206, 1886955), (210, 1851013), (309, 1257970), (515, 754782), (618, 628985), (721, 539130), (1030, 377391), (1442, 269565), (1545, 251594), (2163, 179710), (3090, 125797), (3605, 107826), (4326, 89855), (7210, 53913), (10815, 35942), (17971, 21630)]