2006275940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 4350568320

約数和(自身を除く): 2344292380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 227, 239, 430, 454, 478, 860, 908, 956, 1135, 1195, 1849, 2270, 2390, 3698, 4540, 4780, 7396, 9245, 9761, 10277, 18490, 19522, 20554, 36980, 39044, 41108, 48805, 51385, 54253, 97610, 102770, 108506, 195220, 205540, 217012, 271265, 419723, 441911, 542530, 839446, 883822, 1085060, 1678892, 1767644, 2098615, 2209555, 2332879, 4197230, 4419110, 4665758, 8394460, 8838220, 9331516, 11664395, 23328790, 46657580, 100313797, 200627594, 401255188, 501568985, 1003137970, 2006275940]

約数ペア:

[(1, 2006275940), (2, 1003137970), (4, 501568985), (5, 401255188), (10, 200627594), (20, 100313797), (43, 46657580), (86, 23328790), (172, 11664395), (215, 9331516), (227, 8838220), (239, 8394460), (430, 4665758), (454, 4419110), (478, 4197230), (860, 2332879), (908, 2209555), (956, 2098615), (1135, 1767644), (1195, 1678892), (1849, 1085060), (2270, 883822), (2390, 839446), (3698, 542530), (4540, 441911), (4780, 419723), (7396, 271265), (9245, 217012), (9761, 205540), (10277, 195220), (18490, 108506), (19522, 102770), (20554, 97610), (36980, 54253), (39044, 51385), (41108, 48805)]