217113720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 682344000

約数和(自身を除く): 465230280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 89, 116, 120, 145, 174, 178, 232, 267, 290, 348, 356, 435, 445, 534, 580, 696, 701, 712, 870, 890, 1068, 1160, 1335, 1402, 1740, 1780, 2103, 2136, 2581, 2670, 2804, 3480, 3505, 3560, 4206, 5162, 5340, 5608, 7010, 7743, 8412, 10324, 10515, 10680, 12905, 14020, 15486, 16824, 20329, 20648, 21030, 25810, 28040, 30972, 38715, 40658, 42060, 51620, 60987, 61944, 62389, 77430, 81316, 84120, 101645, 103240, 121974, 124778, 154860, 162632, 187167, 203290, 243948, 249556, 304935, 309720, 311945, 374334, 406580, 487896, 499112, 609870, 623890, 748668, 813160, 935835, 1219740, 1247780, 1497336, 1809281, 1871670, 2439480, 2495560, 3618562, 3743340, 5427843, 7237124, 7486680, 9046405, 10855686, 14474248, 18092810, 21711372, 27139215, 36185620, 43422744, 54278430, 72371240, 108556860, 217113720]

約数ペア:

[(1, 217113720), (2, 108556860), (3, 72371240), (4, 54278430), (5, 43422744), (6, 36185620), (8, 27139215), (10, 21711372), (12, 18092810), (15, 14474248), (20, 10855686), (24, 9046405), (29, 7486680), (30, 7237124), (40, 5427843), (58, 3743340), (60, 3618562), (87, 2495560), (89, 2439480), (116, 1871670), (120, 1809281), (145, 1497336), (174, 1247780), (178, 1219740), (232, 935835), (267, 813160), (290, 748668), (348, 623890), (356, 609870), (435, 499112), (445, 487896), (534, 406580), (580, 374334), (696, 311945), (701, 309720), (712, 304935), (870, 249556), (890, 243948), (1068, 203290), (1160, 187167), (1335, 162632), (1402, 154860), (1740, 124778), (1780, 121974), (2103, 103240), (2136, 101645), (2581, 84120), (2670, 81316), (2804, 77430), (3480, 62389), (3505, 61944), (3560, 60987), (4206, 51620), (5162, 42060), (5340, 40658), (5608, 38715), (7010, 30972), (7743, 28040), (8412, 25810), (10324, 21030), (10515, 20648), (10680, 20329), (12905, 16824), (14020, 15486)]