77847940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{587}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 172872000

約数和(自身を除く): 95024060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 587, 698, 1174, 1396, 1745, 2348, 2935, 3490, 5870, 6631, 6980, 11153, 11740, 13262, 22306, 26524, 33155, 44612, 55765, 66310, 111530, 132620, 204863, 223060, 409726, 819452, 1024315, 2048630, 3892397, 4097260, 7784794, 15569588, 19461985, 38923970, 77847940]

約数ペア:

[(1, 77847940), (2, 38923970), (4, 19461985), (5, 15569588), (10, 7784794), (19, 4097260), (20, 3892397), (38, 2048630), (76, 1024315), (95, 819452), (190, 409726), (349, 223060), (380, 204863), (587, 132620), (698, 111530), (1174, 66310), (1396, 55765), (1745, 44612), (2348, 33155), (2935, 26524), (3490, 22306), (5870, 13262), (6631, 11740), (6980, 11153)]