153990175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 210843648

約数和(自身を除く): 56853473

約数列:

[1, 5, 23, 25, 31, 53, 115, 155, 163, 265, 575, 713, 775, 815, 1219, 1325, 1643, 3565, 3749, 4075, 5053, 6095, 8215, 8639, 17825, 18745, 25265, 30475, 37789, 41075, 43195, 93725, 116219, 126325, 188945, 198697, 215975, 267809, 581095, 944725, 993485, 1339045, 2905475, 4967425, 6159607, 6695225, 30798035, 153990175]

約数ペア:

[(1, 153990175), (5, 30798035), (23, 6695225), (25, 6159607), (31, 4967425), (53, 2905475), (115, 1339045), (155, 993485), (163, 944725), (265, 581095), (575, 267809), (713, 215975), (775, 198697), (815, 188945), (1219, 126325), (1325, 116219), (1643, 93725), (3565, 43195), (3749, 41075), (4075, 37789), (5053, 30475), (6095, 25265), (8215, 18745), (8639, 17825)]