204568420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 505306368

約数和(自身を除く): 300737948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 113, 134, 140, 193, 226, 268, 335, 386, 452, 469, 565, 670, 772, 791, 938, 965, 1130, 1340, 1351, 1582, 1876, 1930, 2260, 2345, 2702, 3164, 3860, 3955, 4690, 5404, 6755, 7571, 7910, 9380, 12931, 13510, 15142, 15820, 21809, 25862, 27020, 30284, 37855, 43618, 51724, 52997, 64655, 75710, 87236, 90517, 105994, 109045, 129310, 151420, 152663, 181034, 211988, 218090, 258620, 264985, 305326, 362068, 436180, 452585, 529970, 610652, 763315, 905170, 1059940, 1461203, 1526630, 1810340, 2922406, 3053260, 5844812, 7306015, 10228421, 14612030, 20456842, 29224060, 40913684, 51142105, 102284210, 204568420]

約数ペア:

[(1, 204568420), (2, 102284210), (4, 51142105), (5, 40913684), (7, 29224060), (10, 20456842), (14, 14612030), (20, 10228421), (28, 7306015), (35, 5844812), (67, 3053260), (70, 2922406), (113, 1810340), (134, 1526630), (140, 1461203), (193, 1059940), (226, 905170), (268, 763315), (335, 610652), (386, 529970), (452, 452585), (469, 436180), (565, 362068), (670, 305326), (772, 264985), (791, 258620), (938, 218090), (965, 211988), (1130, 181034), (1340, 152663), (1351, 151420), (1582, 129310), (1876, 109045), (1930, 105994), (2260, 90517), (2345, 87236), (2702, 75710), (3164, 64655), (3860, 52997), (3955, 51724), (4690, 43618), (5404, 37855), (6755, 30284), (7571, 27020), (7910, 25862), (9380, 21809), (12931, 15820), (13510, 15142)]