7399980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{839}}^1$

素因数の和:868

約数の個数: 108

約数和(自身を含む): 26142480

約数和(自身を除く): 18742500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 839, 882, 980, 1260, 1470, 1678, 1764, 2205, 2517, 2940, 3356, 4195, 4410, 5034, 5873, 7551, 8390, 8820, 10068, 11746, 12585, 15102, 16780, 17619, 23492, 25170, 29365, 30204, 35238, 37755, 41111, 50340, 52857, 58730, 70476, 75510, 82222, 88095, 105714, 117460, 123333, 151020, 164444, 176190, 205555, 211428, 246666, 264285, 352380, 369999, 411110, 493332, 528570, 616665, 739998, 822220, 1057140, 1233330, 1479996, 1849995, 2466660, 3699990, 7399980]

約数ペア:

[(1, 7399980), (2, 3699990), (3, 2466660), (4, 1849995), (5, 1479996), (6, 1233330), (7, 1057140), (9, 822220), (10, 739998), (12, 616665), (14, 528570), (15, 493332), (18, 411110), (20, 369999), (21, 352380), (28, 264285), (30, 246666), (35, 211428), (36, 205555), (42, 176190), (45, 164444), (49, 151020), (60, 123333), (63, 117460), (70, 105714), (84, 88095), (90, 82222), (98, 75510), (105, 70476), (126, 58730), (140, 52857), (147, 50340), (180, 41111), (196, 37755), (210, 35238), (245, 30204), (252, 29365), (294, 25170), (315, 23492), (420, 17619), (441, 16780), (490, 15102), (588, 12585), (630, 11746), (735, 10068), (839, 8820), (882, 8390), (980, 7551), (1260, 5873), (1470, 5034), (1678, 4410), (1764, 4195), (2205, 3356), (2517, 2940)]