2010017980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{112543}}^1$

素因数の和:112618

約数の個数: 48

約数和(自身を含む): 4537774080

約数和(自身を除く): 2527756100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 112543, 225086, 450172, 562715, 1125430, 2138317, 2250860, 4276634, 5289521, 8553268, 10579042, 10691585, 21158084, 21383170, 26447605, 42766340, 52895210, 100500899, 105790420, 201001798, 402003596, 502504495, 1005008990, 2010017980]

約数ペア:

[(1, 2010017980), (2, 1005008990), (4, 502504495), (5, 402003596), (10, 201001798), (19, 105790420), (20, 100500899), (38, 52895210), (47, 42766340), (76, 26447605), (94, 21383170), (95, 21158084), (188, 10691585), (190, 10579042), (235, 8553268), (380, 5289521), (470, 4276634), (893, 2250860), (940, 2138317), (1786, 1125430), (3572, 562715), (4465, 450172), (8930, 225086), (17860, 112543)]