51127580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 130032000

約数和(自身を除く): 78904420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 257, 290, 343, 406, 490, 514, 580, 686, 812, 980, 1015, 1028, 1285, 1372, 1421, 1715, 1799, 2030, 2570, 2842, 3430, 3598, 4060, 5140, 5684, 6860, 7105, 7196, 7453, 8995, 9947, 12593, 14210, 14906, 17990, 19894, 25186, 28420, 29812, 35980, 37265, 39788, 49735, 50372, 52171, 62965, 74530, 88151, 99470, 104342, 125930, 149060, 176302, 198940, 208684, 251860, 260855, 352604, 365197, 440755, 521710, 730394, 881510, 1043420, 1460788, 1763020, 1825985, 2556379, 3651970, 5112758, 7303940, 10225516, 12781895, 25563790, 51127580]

約数ペア:

[(1, 51127580), (2, 25563790), (4, 12781895), (5, 10225516), (7, 7303940), (10, 5112758), (14, 3651970), (20, 2556379), (28, 1825985), (29, 1763020), (35, 1460788), (49, 1043420), (58, 881510), (70, 730394), (98, 521710), (116, 440755), (140, 365197), (145, 352604), (196, 260855), (203, 251860), (245, 208684), (257, 198940), (290, 176302), (343, 149060), (406, 125930), (490, 104342), (514, 99470), (580, 88151), (686, 74530), (812, 62965), (980, 52171), (1015, 50372), (1028, 49735), (1285, 39788), (1372, 37265), (1421, 35980), (1715, 29812), (1799, 28420), (2030, 25186), (2570, 19894), (2842, 17990), (3430, 14906), (3598, 14210), (4060, 12593), (5140, 9947), (5684, 8995), (6860, 7453), (7105, 7196)]