6898940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 15567552

約数和(自身を除く): 8668612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 197, 206, 340, 394, 412, 515, 788, 985, 1030, 1751, 1970, 2060, 3349, 3502, 3940, 6698, 7004, 8755, 13396, 16745, 17510, 20291, 33490, 35020, 40582, 66980, 81164, 101455, 202910, 344947, 405820, 689894, 1379788, 1724735, 3449470, 6898940]

約数ペア:

[(1, 6898940), (2, 3449470), (4, 1724735), (5, 1379788), (10, 689894), (17, 405820), (20, 344947), (34, 202910), (68, 101455), (85, 81164), (103, 66980), (170, 40582), (197, 35020), (206, 33490), (340, 20291), (394, 17510), (412, 16745), (515, 13396), (788, 8755), (985, 7004), (1030, 6698), (1751, 3940), (1970, 3502), (2060, 3349)]