157728620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{36343}}^1$

素因数の和:36390

約数の個数: 48

約数和(自身を含む): 390770688

約数和(自身を除く): 233042068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 36343, 72686, 145372, 181715, 254401, 363430, 508802, 726860, 1017604, 1126633, 1272005, 2253266, 2544010, 4506532, 5088020, 5633165, 7886431, 11266330, 15772862, 22532660, 31545724, 39432155, 78864310, 157728620]

約数ペア:

[(1, 157728620), (2, 78864310), (4, 39432155), (5, 31545724), (7, 22532660), (10, 15772862), (14, 11266330), (20, 7886431), (28, 5633165), (31, 5088020), (35, 4506532), (62, 2544010), (70, 2253266), (124, 1272005), (140, 1126633), (155, 1017604), (217, 726860), (310, 508802), (434, 363430), (620, 254401), (868, 181715), (1085, 145372), (2170, 72686), (4340, 36343)]