90640340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15791}}^1$

素因数の和:15848

約数の個数: 48

約数和(自身を含む): 222856704

約数和(自身を除く): 132216364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15791, 31582, 63164, 78955, 110537, 157910, 221074, 315820, 442148, 552685, 647431, 1105370, 1294862, 2210740, 2589724, 3237155, 4532017, 6474310, 9064034, 12948620, 18128068, 22660085, 45320170, 90640340]

約数ペア:

[(1, 90640340), (2, 45320170), (4, 22660085), (5, 18128068), (7, 12948620), (10, 9064034), (14, 6474310), (20, 4532017), (28, 3237155), (35, 2589724), (41, 2210740), (70, 1294862), (82, 1105370), (140, 647431), (164, 552685), (205, 442148), (287, 315820), (410, 221074), (574, 157910), (820, 110537), (1148, 78955), (1435, 63164), (2870, 31582), (5740, 15791)]