129122860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3299}}^1$

素因数の和:3430

約数の個数: 48

約数和(自身を含む): 288288000

約数和(自身を除く): 159165140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3299, 3914, 6598, 7828, 9785, 13196, 16495, 19570, 32990, 39140, 62681, 65980, 125362, 250724, 313405, 339797, 626810, 679594, 1253620, 1359188, 1698985, 3397970, 6456143, 6795940, 12912286, 25824572, 32280715, 64561430, 129122860]

約数ペア:

[(1, 129122860), (2, 64561430), (4, 32280715), (5, 25824572), (10, 12912286), (19, 6795940), (20, 6456143), (38, 3397970), (76, 1698985), (95, 1359188), (103, 1253620), (190, 679594), (206, 626810), (380, 339797), (412, 313405), (515, 250724), (1030, 125362), (1957, 65980), (2060, 62681), (3299, 39140), (3914, 32990), (6598, 19570), (7828, 16495), (9785, 13196)]