140727940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 302582448

約数和(自身を除く): 161854508

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 292, 365, 452, 565, 730, 853, 1130, 1460, 1706, 2260, 3412, 4265, 8249, 8530, 16498, 17060, 32996, 41245, 62269, 82490, 96389, 124538, 164980, 192778, 249076, 311345, 385556, 481945, 622690, 963890, 1245380, 1927780, 7036397, 14072794, 28145588, 35181985, 70363970, 140727940]

約数ペア:

[(1, 140727940), (2, 70363970), (4, 35181985), (5, 28145588), (10, 14072794), (20, 7036397), (73, 1927780), (113, 1245380), (146, 963890), (226, 622690), (292, 481945), (365, 385556), (452, 311345), (565, 249076), (730, 192778), (853, 164980), (1130, 124538), (1460, 96389), (1706, 82490), (2260, 62269), (3412, 41245), (4265, 32996), (8249, 17060), (8530, 16498)]