164070620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23917}}^1$

素因数の和:23947

約数の個数: 48

約数和(自身を含む): 401822400

約数和(自身を除く): 237751780

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, 6860, 23917, 47834, 95668, 119585, 167419, 239170, 334838, 478340, 669676, 837095, 1171933, 1674190, 2343866, 3348380, 4687732, 5859665, 8203531, 11719330, 16407062, 23438660, 32814124, 41017655, 82035310, 164070620]

約数ペア:

[(1, 164070620), (2, 82035310), (4, 41017655), (5, 32814124), (7, 23438660), (10, 16407062), (14, 11719330), (20, 8203531), (28, 5859665), (35, 4687732), (49, 3348380), (70, 2343866), (98, 1674190), (140, 1171933), (196, 837095), (245, 669676), (343, 478340), (490, 334838), (686, 239170), (980, 167419), (1372, 119585), (1715, 95668), (3430, 47834), (6860, 23917)]