123825940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4357}}^1$

素因数の和:4409

約数の個数: 72

約数和(自身を含む): 312991560

約数和(自身を除く): 189165620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 4357, 5684, 7105, 8714, 14210, 17428, 21785, 28420, 30499, 43570, 60998, 87140, 121996, 126353, 152495, 213493, 252706, 304990, 426986, 505412, 609980, 631765, 853972, 884471, 1067465, 1263530, 1768942, 2134930, 2527060, 3537884, 4269860, 4422355, 6191297, 8844710, 12382594, 17689420, 24765188, 30956485, 61912970, 123825940]

約数ペア:

[(1, 123825940), (2, 61912970), (4, 30956485), (5, 24765188), (7, 17689420), (10, 12382594), (14, 8844710), (20, 6191297), (28, 4422355), (29, 4269860), (35, 3537884), (49, 2527060), (58, 2134930), (70, 1768942), (98, 1263530), (116, 1067465), (140, 884471), (145, 853972), (196, 631765), (203, 609980), (245, 505412), (290, 426986), (406, 304990), (490, 252706), (580, 213493), (812, 152495), (980, 126353), (1015, 121996), (1421, 87140), (2030, 60998), (2842, 43570), (4060, 30499), (4357, 28420), (5684, 21785), (7105, 17428), (8714, 14210)]