388214260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{56591}}^1$

素因数の和:56621

約数の個数: 48

約数和(自身を含む): 950745600

約数和(自身を除く): 562531340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 56591, 113182, 226364, 282955, 396137, 565910, 792274, 1131820, 1584548, 1980685, 2772959, 3961370, 5545918, 7922740, 11091836, 13864795, 19410713, 27729590, 38821426, 55459180, 77642852, 97053565, 194107130, 388214260]

約数ペア:

[(1, 388214260), (2, 194107130), (4, 97053565), (5, 77642852), (7, 55459180), (10, 38821426), (14, 27729590), (20, 19410713), (28, 13864795), (35, 11091836), (49, 7922740), (70, 5545918), (98, 3961370), (140, 2772959), (196, 1980685), (245, 1584548), (343, 1131820), (490, 792274), (686, 565910), (980, 396137), (1372, 282955), (1715, 226364), (3430, 113182), (6860, 56591)]