31892140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4649}}^1$

素因数の和:4679

約数の個数: 48

約数和(自身を含む): 78120000

約数和(自身を除く): 46227860

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, 4649, 6860, 9298, 18596, 23245, 32543, 46490, 65086, 92980, 130172, 162715, 227801, 325430, 455602, 650860, 911204, 1139005, 1594607, 2278010, 3189214, 4556020, 6378428, 7973035, 15946070, 31892140]

約数ペア:

[(1, 31892140), (2, 15946070), (4, 7973035), (5, 6378428), (7, 4556020), (10, 3189214), (14, 2278010), (20, 1594607), (28, 1139005), (35, 911204), (49, 650860), (70, 455602), (98, 325430), (140, 227801), (196, 162715), (245, 130172), (343, 92980), (490, 65086), (686, 46490), (980, 32543), (1372, 23245), (1715, 18596), (3430, 9298), (4649, 6860)]