308981260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 768297600

約数和(自身を除く): 459316340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 343, 365, 490, 511, 617, 686, 730, 980, 1022, 1234, 1372, 1460, 1715, 2044, 2468, 2555, 3085, 3430, 3577, 4319, 5110, 6170, 6860, 7154, 8638, 10220, 12340, 14308, 17276, 17885, 21595, 25039, 30233, 35770, 43190, 45041, 50078, 60466, 71540, 86380, 90082, 100156, 120932, 125195, 151165, 180164, 211631, 225205, 250390, 302330, 315287, 423262, 450410, 500780, 604660, 630574, 846524, 900820, 1058155, 1261148, 1576435, 2116310, 2207009, 3152870, 4232620, 4414018, 6305740, 8828036, 11035045, 15449063, 22070090, 30898126, 44140180, 61796252, 77245315, 154490630, 308981260]

約数ペア:

[(1, 308981260), (2, 154490630), (4, 77245315), (5, 61796252), (7, 44140180), (10, 30898126), (14, 22070090), (20, 15449063), (28, 11035045), (35, 8828036), (49, 6305740), (70, 4414018), (73, 4232620), (98, 3152870), (140, 2207009), (146, 2116310), (196, 1576435), (245, 1261148), (292, 1058155), (343, 900820), (365, 846524), (490, 630574), (511, 604660), (617, 500780), (686, 450410), (730, 423262), (980, 315287), (1022, 302330), (1234, 250390), (1372, 225205), (1460, 211631), (1715, 180164), (2044, 151165), (2468, 125195), (2555, 120932), (3085, 100156), (3430, 90082), (3577, 86380), (4319, 71540), (5110, 60466), (6170, 50078), (6860, 45041), (7154, 43190), (8638, 35770), (10220, 30233), (12340, 25039), (14308, 21595), (17276, 17885)]