90861820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2693}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 219054528

約数和(自身を除く): 128192708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 2693, 3374, 4820, 5386, 6748, 8435, 10772, 13465, 16870, 18851, 26930, 33740, 37702, 53860, 75404, 94255, 188510, 377020, 649013, 1298026, 2596052, 3245065, 4543091, 6490130, 9086182, 12980260, 18172364, 22715455, 45430910, 90861820]

約数ペア:

[(1, 90861820), (2, 45430910), (4, 22715455), (5, 18172364), (7, 12980260), (10, 9086182), (14, 6490130), (20, 4543091), (28, 3245065), (35, 2596052), (70, 1298026), (140, 649013), (241, 377020), (482, 188510), (964, 94255), (1205, 75404), (1687, 53860), (2410, 37702), (2693, 33740), (3374, 26930), (4820, 18851), (5386, 16870), (6748, 13465), (8435, 10772)]