285996830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 604800000

約数和(自身を除く): 318803170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 343, 398, 419, 490, 686, 838, 995, 1393, 1715, 1990, 2095, 2786, 2933, 3430, 4190, 5866, 6965, 9751, 13930, 14665, 19502, 20531, 29330, 41062, 48755, 68257, 83381, 97510, 102655, 136514, 143717, 166762, 205310, 287434, 341285, 416905, 583667, 682570, 718585, 833810, 1167334, 1437170, 2918335, 4085669, 5836670, 8171338, 20428345, 28599683, 40856690, 57199366, 142998415, 285996830]

約数ペア:

[(1, 285996830), (2, 142998415), (5, 57199366), (7, 40856690), (10, 28599683), (14, 20428345), (35, 8171338), (49, 5836670), (70, 4085669), (98, 2918335), (199, 1437170), (245, 1167334), (343, 833810), (398, 718585), (419, 682570), (490, 583667), (686, 416905), (838, 341285), (995, 287434), (1393, 205310), (1715, 166762), (1990, 143717), (2095, 136514), (2786, 102655), (2933, 97510), (3430, 83381), (4190, 68257), (5866, 48755), (6965, 41062), (9751, 29330), (13930, 20531), (14665, 19502)]