71000840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{541}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 170339760

約数和(自身を除く): 99338920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 541, 680, 772, 965, 1082, 1544, 1930, 2164, 2705, 3281, 3860, 4328, 5410, 6562, 7720, 9197, 10820, 13124, 16405, 18394, 21640, 26248, 32810, 36788, 45985, 65620, 73576, 91970, 104413, 131240, 183940, 208826, 367880, 417652, 522065, 835304, 1044130, 1775021, 2088260, 3550042, 4176520, 7100084, 8875105, 14200168, 17750210, 35500420, 71000840]

約数ペア:

[(1, 71000840), (2, 35500420), (4, 17750210), (5, 14200168), (8, 8875105), (10, 7100084), (17, 4176520), (20, 3550042), (34, 2088260), (40, 1775021), (68, 1044130), (85, 835304), (136, 522065), (170, 417652), (193, 367880), (340, 208826), (386, 183940), (541, 131240), (680, 104413), (772, 91970), (965, 73576), (1082, 65620), (1544, 45985), (1930, 36788), (2164, 32810), (2705, 26248), (3281, 21640), (3860, 18394), (4328, 16405), (5410, 13124), (6562, 10820), (7720, 9197)]