201409975

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 286266400

約数和(自身を除く): 84856425

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 193, 247, 325, 475, 845, 965, 1235, 2197, 2509, 3211, 3667, 4225, 4825, 6175, 10985, 12545, 16055, 18335, 32617, 41743, 47671, 54925, 62725, 80275, 91675, 163085, 208715, 238355, 424021, 619723, 815425, 1043575, 1191775, 2120105, 3098615, 8056399, 10600525, 15493075, 40281995, 201409975]

約数ペア:

[(1, 201409975), (5, 40281995), (13, 15493075), (19, 10600525), (25, 8056399), (65, 3098615), (95, 2120105), (169, 1191775), (193, 1043575), (247, 815425), (325, 619723), (475, 424021), (845, 238355), (965, 208715), (1235, 163085), (2197, 91675), (2509, 80275), (3211, 62725), (3667, 54925), (4225, 47671), (4825, 41743), (6175, 32617), (10985, 18335), (12545, 16055)]