9090740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 11472460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 509, 893, 940, 1018, 1786, 2036, 2545, 3572, 4465, 5090, 8930, 9671, 10180, 17860, 19342, 23923, 38684, 47846, 48355, 95692, 96710, 119615, 193420, 239230, 454537, 478460, 909074, 1818148, 2272685, 4545370, 9090740]

約数ペア:

[(1, 9090740), (2, 4545370), (4, 2272685), (5, 1818148), (10, 909074), (19, 478460), (20, 454537), (38, 239230), (47, 193420), (76, 119615), (94, 96710), (95, 95692), (188, 48355), (190, 47846), (235, 38684), (380, 23923), (470, 19342), (509, 17860), (893, 10180), (940, 9671), (1018, 8930), (1786, 5090), (2036, 4465), (2545, 3572)]