157225740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{374347}}^1$

素因数の和:374366

約数の個数: 48

約数和(自身を含む): 503123712

約数和(自身を除く): 345897972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 374347, 748694, 1123041, 1497388, 1871735, 2246082, 2620429, 3743470, 4492164, 5240858, 5615205, 7486940, 7861287, 10481716, 11230410, 13102145, 15722574, 22460820, 26204290, 31445148, 39306435, 52408580, 78612870, 157225740]

約数ペア:

[(1, 157225740), (2, 78612870), (3, 52408580), (4, 39306435), (5, 31445148), (6, 26204290), (7, 22460820), (10, 15722574), (12, 13102145), (14, 11230410), (15, 10481716), (20, 7861287), (21, 7486940), (28, 5615205), (30, 5240858), (35, 4492164), (42, 3743470), (60, 2620429), (70, 2246082), (84, 1871735), (105, 1497388), (140, 1123041), (210, 748694), (420, 374347)]