204467980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{1553}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 446433120

約数和(自身を除く): 241965140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 227, 290, 454, 580, 908, 1135, 1553, 2270, 3106, 4540, 6212, 6583, 7765, 13166, 15530, 26332, 31060, 32915, 45037, 65830, 90074, 131660, 180148, 225185, 352531, 450370, 705062, 900740, 1410124, 1762655, 3525310, 7050620, 10223399, 20446798, 40893596, 51116995, 102233990, 204467980]

約数ペア:

[(1, 204467980), (2, 102233990), (4, 51116995), (5, 40893596), (10, 20446798), (20, 10223399), (29, 7050620), (58, 3525310), (116, 1762655), (145, 1410124), (227, 900740), (290, 705062), (454, 450370), (580, 352531), (908, 225185), (1135, 180148), (1553, 131660), (2270, 90074), (3106, 65830), (4540, 45037), (6212, 32915), (6583, 31060), (7765, 26332), (13166, 15530)]