31193630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 64895040

約数和(自身を除く): 33701410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 173, 190, 247, 346, 365, 494, 730, 865, 949, 1235, 1387, 1730, 1898, 2249, 2470, 2774, 3287, 4498, 4745, 6574, 6935, 9490, 11245, 12629, 13870, 16435, 18031, 22490, 25258, 32870, 36062, 42731, 63145, 85462, 90155, 126290, 164177, 180310, 213655, 239951, 328354, 427310, 479902, 820885, 1199755, 1641770, 2399510, 3119363, 6238726, 15596815, 31193630]

約数ペア:

[(1, 31193630), (2, 15596815), (5, 6238726), (10, 3119363), (13, 2399510), (19, 1641770), (26, 1199755), (38, 820885), (65, 479902), (73, 427310), (95, 328354), (130, 239951), (146, 213655), (173, 180310), (190, 164177), (247, 126290), (346, 90155), (365, 85462), (494, 63145), (730, 42731), (865, 36062), (949, 32870), (1235, 25258), (1387, 22490), (1730, 18031), (1898, 16435), (2249, 13870), (2470, 12629), (2774, 11245), (3287, 9490), (4498, 6935), (4745, 6574)]