85220940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{202907}}^1$

素因数の和:202926

約数の個数: 48

約数和(自身を含む): 272708352

約数和(自身を除く): 187487412

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, 202907, 405814, 608721, 811628, 1014535, 1217442, 1420349, 2029070, 2434884, 2840698, 3043605, 4058140, 4261047, 5681396, 6087210, 7101745, 8522094, 12174420, 14203490, 17044188, 21305235, 28406980, 42610470, 85220940]

約数ペア:

[(1, 85220940), (2, 42610470), (3, 28406980), (4, 21305235), (5, 17044188), (6, 14203490), (7, 12174420), (10, 8522094), (12, 7101745), (14, 6087210), (15, 5681396), (20, 4261047), (21, 4058140), (28, 3043605), (30, 2840698), (35, 2434884), (42, 2029070), (60, 1420349), (70, 1217442), (84, 1014535), (105, 811628), (140, 608721), (210, 405814), (420, 202907)]