28355810

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1181}}^1$

素因数の和:1216

約数の個数: 40

約数和(自身を含む): 59594076

約数和(自身を除く): 31238266

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1181, 1715, 2362, 2401, 3430, 4802, 5905, 8267, 11810, 12005, 16534, 24010, 41335, 57869, 82670, 115738, 289345, 405083, 578690, 810166, 2025415, 2835581, 4050830, 5671162, 14177905, 28355810]

約数ペア:

[(1, 28355810), (2, 14177905), (5, 5671162), (7, 4050830), (10, 2835581), (14, 2025415), (35, 810166), (49, 578690), (70, 405083), (98, 289345), (245, 115738), (343, 82670), (490, 57869), (686, 41335), (1181, 24010), (1715, 16534), (2362, 12005), (2401, 11810), (3430, 8267), (4802, 5905)]