157419940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1187}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 349272000

約数和(自身を除く): 191852060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 698, 1187, 1396, 1745, 2374, 3490, 4748, 5935, 6631, 6980, 11870, 13262, 22553, 23740, 26524, 33155, 45106, 66310, 90212, 112765, 132620, 225530, 414263, 451060, 828526, 1657052, 2071315, 4142630, 7870997, 8285260, 15741994, 31483988, 39354985, 78709970, 157419940]

約数ペア:

[(1, 157419940), (2, 78709970), (4, 39354985), (5, 31483988), (10, 15741994), (19, 8285260), (20, 7870997), (38, 4142630), (76, 2071315), (95, 1657052), (190, 828526), (349, 451060), (380, 414263), (698, 225530), (1187, 132620), (1396, 112765), (1745, 90212), (2374, 66310), (3490, 45106), (4748, 33155), (5935, 26524), (6631, 23740), (6980, 22553), (11870, 13262)]