156748340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1123}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 376908672

約数和(自身を除く): 220160332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1123, 1994, 2246, 3988, 4492, 4985, 5615, 6979, 7861, 9970, 11230, 13958, 15722, 19940, 22460, 27916, 31444, 34895, 39305, 69790, 78610, 139580, 157220, 1119631, 2239262, 4478524, 5598155, 7837417, 11196310, 15674834, 22392620, 31349668, 39187085, 78374170, 156748340]

約数ペア:

[(1, 156748340), (2, 78374170), (4, 39187085), (5, 31349668), (7, 22392620), (10, 15674834), (14, 11196310), (20, 7837417), (28, 5598155), (35, 4478524), (70, 2239262), (140, 1119631), (997, 157220), (1123, 139580), (1994, 78610), (2246, 69790), (3988, 39305), (4492, 34895), (4985, 31444), (5615, 27916), (6979, 22460), (7861, 19940), (9970, 15722), (11230, 13958)]