7839590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 16865280

約数和(自身を除く): 9025690

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, 1331, 1705, 2090, 2299, 2662, 2945, 3410, 3751, 4598, 5890, 6479, 6655, 7502, 11495, 12958, 13310, 18755, 22990, 25289, 32395, 37510, 41261, 50578, 64790, 71269, 82522, 126445, 142538, 206305, 252890, 356345, 412610, 712690, 783959, 1567918, 3919795, 7839590]

約数ペア:

[(1, 7839590), (2, 3919795), (5, 1567918), (10, 783959), (11, 712690), (19, 412610), (22, 356345), (31, 252890), (38, 206305), (55, 142538), (62, 126445), (95, 82522), (110, 71269), (121, 64790), (155, 50578), (190, 41261), (209, 37510), (242, 32395), (310, 25289), (341, 22990), (418, 18755), (589, 13310), (605, 12958), (682, 11495), (1045, 7502), (1178, 6655), (1210, 6479), (1331, 5890), (1705, 4598), (2090, 3751), (2299, 3410), (2662, 2945)]