879580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 2116800

約数和(自身を除く): 1237220

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 199, 221, 260, 340, 398, 442, 796, 884, 995, 1105, 1990, 2210, 2587, 3383, 3980, 4420, 5174, 6766, 10348, 12935, 13532, 16915, 25870, 33830, 43979, 51740, 67660, 87958, 175916, 219895, 439790, 879580]

約数ペア:

[(1, 879580), (2, 439790), (4, 219895), (5, 175916), (10, 87958), (13, 67660), (17, 51740), (20, 43979), (26, 33830), (34, 25870), (52, 16915), (65, 13532), (68, 12935), (85, 10348), (130, 6766), (170, 5174), (199, 4420), (221, 3980), (260, 3383), (340, 2587), (398, 2210), (442, 1990), (796, 1105), (884, 995)]