4920702860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{29017}}^1$

素因数の和:29226

約数の個数: 48

約数和(自身を含む): 10578802080

約数和(自身を除く): 5658099220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 556, 610, 695, 1220, 1390, 2780, 8479, 16958, 29017, 33916, 42395, 58034, 84790, 116068, 145085, 169580, 290170, 580340, 1770037, 3540074, 4033363, 7080148, 8066726, 8850185, 16133452, 17700370, 20166815, 35400740, 40333630, 80667260, 246035143, 492070286, 984140572, 1230175715, 2460351430, 4920702860]

約数ペア:

[(1, 4920702860), (2, 2460351430), (4, 1230175715), (5, 984140572), (10, 492070286), (20, 246035143), (61, 80667260), (122, 40333630), (139, 35400740), (244, 20166815), (278, 17700370), (305, 16133452), (556, 8850185), (610, 8066726), (695, 7080148), (1220, 4033363), (1390, 3540074), (2780, 1770037), (8479, 580340), (16958, 290170), (29017, 169580), (33916, 145085), (42395, 116068), (58034, 84790)]