389968660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{593}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 829870272

約数和(自身を除く): 439901612

約数列:

[1, 2, 4, 5, 10, 20, 131, 251, 262, 502, 524, 593, 655, 1004, 1186, 1255, 1310, 2372, 2510, 2620, 2965, 5020, 5930, 11860, 32881, 65762, 77683, 131524, 148843, 155366, 164405, 297686, 310732, 328810, 388415, 595372, 657620, 744215, 776830, 1488430, 1553660, 2976860, 19498433, 38996866, 77993732, 97492165, 194984330, 389968660]

約数ペア:

[(1, 389968660), (2, 194984330), (4, 97492165), (5, 77993732), (10, 38996866), (20, 19498433), (131, 2976860), (251, 1553660), (262, 1488430), (502, 776830), (524, 744215), (593, 657620), (655, 595372), (1004, 388415), (1186, 328810), (1255, 310732), (1310, 297686), (2372, 164405), (2510, 155366), (2620, 148843), (2965, 131524), (5020, 77683), (5930, 65762), (11860, 32881)]