217870170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 630374400

約数和(自身を除く): 412504230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 343, 434, 465, 490, 651, 683, 686, 735, 930, 1029, 1085, 1302, 1366, 1470, 1519, 1715, 2049, 2058, 2170, 3038, 3255, 3415, 3430, 4098, 4557, 4781, 5145, 6510, 6830, 7595, 9114, 9562, 10245, 10290, 10633, 14343, 15190, 20490, 21173, 21266, 22785, 23905, 28686, 31899, 33467, 42346, 45570, 47810, 53165, 63519, 63798, 66934, 71715, 100401, 105865, 106330, 127038, 143430, 148211, 159495, 167335, 200802, 211730, 234269, 296422, 317595, 318990, 334670, 444633, 468538, 502005, 635190, 702807, 741055, 889266, 1004010, 1037477, 1171345, 1405614, 1482110, 2074954, 2223165, 2342690, 3112431, 3514035, 4446330, 5187385, 6224862, 7028070, 7262339, 10374770, 14524678, 15562155, 21787017, 31124310, 36311695, 43574034, 72623390, 108935085, 217870170]

約数ペア:

[(1, 217870170), (2, 108935085), (3, 72623390), (5, 43574034), (6, 36311695), (7, 31124310), (10, 21787017), (14, 15562155), (15, 14524678), (21, 10374770), (30, 7262339), (31, 7028070), (35, 6224862), (42, 5187385), (49, 4446330), (62, 3514035), (70, 3112431), (93, 2342690), (98, 2223165), (105, 2074954), (147, 1482110), (155, 1405614), (186, 1171345), (210, 1037477), (217, 1004010), (245, 889266), (294, 741055), (310, 702807), (343, 635190), (434, 502005), (465, 468538), (490, 444633), (651, 334670), (683, 318990), (686, 317595), (735, 296422), (930, 234269), (1029, 211730), (1085, 200802), (1302, 167335), (1366, 159495), (1470, 148211), (1519, 143430), (1715, 127038), (2049, 106330), (2058, 105865), (2170, 100401), (3038, 71715), (3255, 66934), (3415, 63798), (3430, 63519), (4098, 53165), (4557, 47810), (4781, 45570), (5145, 42346), (6510, 33467), (6830, 31899), (7595, 28686), (9114, 23905), (9562, 22785), (10245, 21266), (10290, 21173), (10633, 20490), (14343, 15190)]