68994860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313613}}^1$

素因数の和:313633

約数の個数: 24

約数和(自身を含む): 158061456

約数和(自身を除く): 89066596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313613, 627226, 1254452, 1568065, 3136130, 3449743, 6272260, 6899486, 13798972, 17248715, 34497430, 68994860]

約数ペア:

[(1, 68994860), (2, 34497430), (4, 17248715), (5, 13798972), (10, 6899486), (11, 6272260), (20, 3449743), (22, 3136130), (44, 1568065), (55, 1254452), (110, 627226), (220, 313613)]