220174220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3203}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 529659648

約数和(自身を除く): 309485428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3203, 3437, 4910, 6406, 6874, 9820, 12812, 13748, 16015, 17185, 22421, 32030, 34370, 44842, 64060, 68740, 89684, 112105, 224210, 448420, 1572673, 3145346, 6290692, 7863365, 11008711, 15726730, 22017422, 31453460, 44034844, 55043555, 110087110, 220174220]

約数ペア:

[(1, 220174220), (2, 110087110), (4, 55043555), (5, 44034844), (7, 31453460), (10, 22017422), (14, 15726730), (20, 11008711), (28, 7863365), (35, 6290692), (70, 3145346), (140, 1572673), (491, 448420), (982, 224210), (1964, 112105), (2455, 89684), (3203, 68740), (3437, 64060), (4910, 44842), (6406, 34370), (6874, 32030), (9820, 22421), (12812, 17185), (13748, 16015)]