210879830

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{8783}}^1$

素因数の和:8818

約数の個数: 40

約数和(自身を含む): 442871712

約数和(自身を除く): 231991882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 3430, 4802, 8783, 12005, 17566, 24010, 43915, 61481, 87830, 122962, 307405, 430367, 614810, 860734, 2151835, 3012569, 4303670, 6025138, 15062845, 21087983, 30125690, 42175966, 105439915, 210879830]

約数ペア:

[(1, 210879830), (2, 105439915), (5, 42175966), (7, 30125690), (10, 21087983), (14, 15062845), (35, 6025138), (49, 4303670), (70, 3012569), (98, 2151835), (245, 860734), (343, 614810), (490, 430367), (686, 307405), (1715, 122962), (2401, 87830), (3430, 61481), (4802, 43915), (8783, 24010), (12005, 17566)]