818373990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{79531}}^1$

素因数の和:79562

約数の個数: 64

約数和(自身を含む): 2290521600

約数和(自身を除く): 1472147610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 79531, 159062, 238593, 397655, 477186, 556717, 795310, 1113434, 1192965, 1670151, 2385930, 2783585, 3340302, 3897019, 5567170, 7794038, 8350755, 11691057, 16701510, 19485095, 23382114, 27279133, 38970190, 54558266, 58455285, 81837399, 116910570, 136395665, 163674798, 272791330, 409186995, 818373990]

約数ペア:

[(1, 818373990), (2, 409186995), (3, 272791330), (5, 163674798), (6, 136395665), (7, 116910570), (10, 81837399), (14, 58455285), (15, 54558266), (21, 38970190), (30, 27279133), (35, 23382114), (42, 19485095), (49, 16701510), (70, 11691057), (98, 8350755), (105, 7794038), (147, 5567170), (210, 3897019), (245, 3340302), (294, 2783585), (343, 2385930), (490, 1670151), (686, 1192965), (735, 1113434), (1029, 795310), (1470, 556717), (1715, 477186), (2058, 397655), (3430, 238593), (5145, 159062), (10290, 79531)]