4920140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 11340000

約数和(自身を除く): 6419860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 499, 580, 986, 998, 1972, 1996, 2465, 2495, 4930, 4990, 8483, 9860, 9980, 14471, 16966, 28942, 33932, 42415, 57884, 72355, 84830, 144710, 169660, 246007, 289420, 492014, 984028, 1230035, 2460070, 4920140]

約数ペア:

[(1, 4920140), (2, 2460070), (4, 1230035), (5, 984028), (10, 492014), (17, 289420), (20, 246007), (29, 169660), (34, 144710), (58, 84830), (68, 72355), (85, 57884), (116, 42415), (145, 33932), (170, 28942), (290, 16966), (340, 14471), (493, 9980), (499, 9860), (580, 8483), (986, 4990), (998, 4930), (1972, 2495), (1996, 2465)]