221565620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1319}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 480332160

約数和(自身を除く): 258766540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 227, 370, 454, 740, 908, 1135, 1319, 2270, 2638, 4540, 5276, 6595, 8399, 13190, 16798, 26380, 33596, 41995, 48803, 83990, 97606, 167980, 195212, 244015, 299413, 488030, 598826, 976060, 1197652, 1497065, 2994130, 5988260, 11078281, 22156562, 44313124, 55391405, 110782810, 221565620]

約数ペア:

[(1, 221565620), (2, 110782810), (4, 55391405), (5, 44313124), (10, 22156562), (20, 11078281), (37, 5988260), (74, 2994130), (148, 1497065), (185, 1197652), (227, 976060), (370, 598826), (454, 488030), (740, 299413), (908, 244015), (1135, 195212), (1319, 167980), (2270, 97606), (2638, 83990), (4540, 48803), (5276, 41995), (6595, 33596), (8399, 26380), (13190, 16798)]