310460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 704088

約数和(自身を除く): 393628

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 722, 817, 860, 1444, 1634, 1805, 3268, 3610, 4085, 7220, 8170, 15523, 16340, 31046, 62092, 77615, 155230, 310460]

約数ペア:

[(1, 310460), (2, 155230), (4, 77615), (5, 62092), (10, 31046), (19, 16340), (20, 15523), (38, 8170), (43, 7220), (76, 4085), (86, 3610), (95, 3268), (172, 1805), (190, 1634), (215, 1444), (361, 860), (380, 817), (430, 722)]