78931340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2797}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 177684192

約数和(自身を除く): 98752852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1411, 1660, 2797, 2822, 5594, 5644, 7055, 11188, 13985, 14110, 27970, 28220, 47549, 55940, 95098, 190196, 232151, 237745, 464302, 475490, 928604, 950980, 1160755, 2321510, 3946567, 4643020, 7893134, 15786268, 19732835, 39465670, 78931340]

約数ペア:

[(1, 78931340), (2, 39465670), (4, 19732835), (5, 15786268), (10, 7893134), (17, 4643020), (20, 3946567), (34, 2321510), (68, 1160755), (83, 950980), (85, 928604), (166, 475490), (170, 464302), (332, 237745), (340, 232151), (415, 190196), (830, 95098), (1411, 55940), (1660, 47549), (2797, 28220), (2822, 27970), (5594, 14110), (5644, 13985), (7055, 11188)]