7303940

素因数分解:

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

素因数の和:309

約数の個数: 72

約数和(自身を含む): 18529560

約数和(自身を除く): 11225620

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, 406, 490, 514, 580, 812, 980, 1015, 1028, 1285, 1421, 1799, 2030, 2570, 2842, 3598, 4060, 5140, 5684, 7105, 7196, 7453, 8995, 12593, 14210, 14906, 17990, 25186, 28420, 29812, 35980, 37265, 50372, 52171, 62965, 74530, 104342, 125930, 149060, 208684, 251860, 260855, 365197, 521710, 730394, 1043420, 1460788, 1825985, 3651970, 7303940]

約数ペア:

[(1, 7303940), (2, 3651970), (4, 1825985), (5, 1460788), (7, 1043420), (10, 730394), (14, 521710), (20, 365197), (28, 260855), (29, 251860), (35, 208684), (49, 149060), (58, 125930), (70, 104342), (98, 74530), (116, 62965), (140, 52171), (145, 50372), (196, 37265), (203, 35980), (245, 29812), (257, 28420), (290, 25186), (406, 17990), (490, 14906), (514, 14210), (580, 12593), (812, 8995), (980, 7453), (1015, 7196), (1028, 7105), (1285, 5684), (1421, 5140), (1799, 4060), (2030, 3598), (2570, 2842)]