139212460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 299710656

約数和(自身を除く): 160498196

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 730, 970, 983, 1460, 1940, 1966, 3932, 4915, 7081, 9830, 14162, 19660, 28324, 35405, 70810, 71759, 95351, 141620, 143518, 190702, 287036, 358795, 381404, 476755, 717590, 953510, 1435180, 1907020, 6960623, 13921246, 27842492, 34803115, 69606230, 139212460]

約数ペア:

[(1, 139212460), (2, 69606230), (4, 34803115), (5, 27842492), (10, 13921246), (20, 6960623), (73, 1907020), (97, 1435180), (146, 953510), (194, 717590), (292, 476755), (365, 381404), (388, 358795), (485, 287036), (730, 190702), (970, 143518), (983, 141620), (1460, 95351), (1940, 71759), (1966, 70810), (3932, 35405), (4915, 28324), (7081, 19660), (9830, 14162)]