7139720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 18817920

約数和(自身を除く): 11678200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 593, 602, 860, 1186, 1204, 1505, 1720, 2372, 2408, 2965, 3010, 4151, 4744, 5930, 6020, 8302, 11860, 12040, 16604, 20755, 23720, 25499, 33208, 41510, 50998, 83020, 101996, 127495, 166040, 178493, 203992, 254990, 356986, 509980, 713972, 892465, 1019960, 1427944, 1784930, 3569860, 7139720]

約数ペア:

[(1, 7139720), (2, 3569860), (4, 1784930), (5, 1427944), (7, 1019960), (8, 892465), (10, 713972), (14, 509980), (20, 356986), (28, 254990), (35, 203992), (40, 178493), (43, 166040), (56, 127495), (70, 101996), (86, 83020), (140, 50998), (172, 41510), (215, 33208), (280, 25499), (301, 23720), (344, 20755), (430, 16604), (593, 12040), (602, 11860), (860, 8302), (1186, 6020), (1204, 5930), (1505, 4744), (1720, 4151), (2372, 3010), (2408, 2965)]