712690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 819470

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 121, 155, 190, 209, 242, 310, 341, 418, 589, 605, 682, 1045, 1178, 1210, 1705, 2090, 2299, 2945, 3410, 3751, 4598, 5890, 6479, 7502, 11495, 12958, 18755, 22990, 32395, 37510, 64790, 71269, 142538, 356345, 712690]

約数ペア:

[(1, 712690), (2, 356345), (5, 142538), (10, 71269), (11, 64790), (19, 37510), (22, 32395), (31, 22990), (38, 18755), (55, 12958), (62, 11495), (95, 7502), (110, 6479), (121, 5890), (155, 4598), (190, 3751), (209, 3410), (242, 2945), (310, 2299), (341, 2090), (418, 1705), (589, 1210), (605, 1178), (682, 1045)]