157883390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 331808400

約数和(自身を除く): 173925010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 419, 490, 769, 838, 1538, 2095, 2933, 3845, 4190, 5383, 5866, 7690, 10766, 14665, 20531, 26915, 29330, 37681, 41062, 53830, 75362, 102655, 188405, 205310, 322211, 376810, 644422, 1611055, 2255477, 3222110, 4510954, 11277385, 15788339, 22554770, 31576678, 78941695, 157883390]

約数ペア:

[(1, 157883390), (2, 78941695), (5, 31576678), (7, 22554770), (10, 15788339), (14, 11277385), (35, 4510954), (49, 3222110), (70, 2255477), (98, 1611055), (245, 644422), (419, 376810), (490, 322211), (769, 205310), (838, 188405), (1538, 102655), (2095, 75362), (2933, 53830), (3845, 41062), (4190, 37681), (5383, 29330), (5866, 26915), (7690, 20531), (10766, 14665)]