205758840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{4999}}^1$

素因数の和:5034

約数の個数: 128

約数和(自身を含む): 720000000

約数和(自身を除く): 514241160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 4999, 5145, 5880, 6860, 8232, 9998, 10290, 13720, 14997, 19996, 20580, 24995, 29994, 34993, 39992, 41160, 49990, 59988, 69986, 74985, 99980, 104979, 119976, 139972, 149970, 174965, 199960, 209958, 244951, 279944, 299940, 349930, 419916, 489902, 524895, 599880, 699860, 734853, 839832, 979804, 1049790, 1224755, 1399720, 1469706, 1714657, 1959608, 2099580, 2449510, 2939412, 3429314, 3674265, 4199160, 4899020, 5143971, 5878824, 6858628, 7348530, 8573285, 9798040, 10287942, 13717256, 14697060, 17146570, 20575884, 25719855, 29394120, 34293140, 41151768, 51439710, 68586280, 102879420, 205758840]

約数ペア:

[(1, 205758840), (2, 102879420), (3, 68586280), (4, 51439710), (5, 41151768), (6, 34293140), (7, 29394120), (8, 25719855), (10, 20575884), (12, 17146570), (14, 14697060), (15, 13717256), (20, 10287942), (21, 9798040), (24, 8573285), (28, 7348530), (30, 6858628), (35, 5878824), (40, 5143971), (42, 4899020), (49, 4199160), (56, 3674265), (60, 3429314), (70, 2939412), (84, 2449510), (98, 2099580), (105, 1959608), (120, 1714657), (140, 1469706), (147, 1399720), (168, 1224755), (196, 1049790), (210, 979804), (245, 839832), (280, 734853), (294, 699860), (343, 599880), (392, 524895), (420, 489902), (490, 419916), (588, 349930), (686, 299940), (735, 279944), (840, 244951), (980, 209958), (1029, 199960), (1176, 174965), (1372, 149970), (1470, 139972), (1715, 119976), (1960, 104979), (2058, 99980), (2744, 74985), (2940, 69986), (3430, 59988), (4116, 49990), (4999, 41160), (5145, 39992), (5880, 34993), (6860, 29994), (8232, 24995), (9998, 20580), (10290, 19996), (13720, 14997)]