16681420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 43642368

約数和(自身を除く): 26960948

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 163, 170, 172, 215, 238, 301, 326, 340, 430, 476, 595, 602, 652, 731, 815, 860, 1141, 1190, 1204, 1462, 1505, 1630, 2282, 2380, 2771, 2924, 3010, 3260, 3655, 4564, 5117, 5542, 5705, 6020, 7009, 7310, 10234, 11084, 11410, 13855, 14018, 14620, 19397, 20468, 22820, 25585, 27710, 28036, 35045, 38794, 49063, 51170, 55420, 70090, 77588, 96985, 98126, 102340, 119153, 140180, 193970, 196252, 238306, 245315, 387940, 476612, 490630, 595765, 834071, 981260, 1191530, 1668142, 2383060, 3336284, 4170355, 8340710, 16681420]

約数ペア:

[(1, 16681420), (2, 8340710), (4, 4170355), (5, 3336284), (7, 2383060), (10, 1668142), (14, 1191530), (17, 981260), (20, 834071), (28, 595765), (34, 490630), (35, 476612), (43, 387940), (68, 245315), (70, 238306), (85, 196252), (86, 193970), (119, 140180), (140, 119153), (163, 102340), (170, 98126), (172, 96985), (215, 77588), (238, 70090), (301, 55420), (326, 51170), (340, 49063), (430, 38794), (476, 35045), (595, 28036), (602, 27710), (652, 25585), (731, 22820), (815, 20468), (860, 19397), (1141, 14620), (1190, 14018), (1204, 13855), (1462, 11410), (1505, 11084), (1630, 10234), (2282, 7310), (2380, 7009), (2771, 6020), (2924, 5705), (3010, 5542), (3260, 5117), (3655, 4564)]