212473480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7621}}^1$

素因数の和:7690

約数の個数: 64

約数和(自身を含む): 518600880

約数和(自身を除く): 306127400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 7621, 13940, 15242, 27880, 30484, 38105, 60968, 76210, 129557, 152420, 259114, 304840, 312461, 518228, 624922, 647785, 1036456, 1249844, 1295570, 1562305, 2499688, 2591140, 3124610, 5182280, 5311837, 6249220, 10623674, 12498440, 21247348, 26559185, 42494696, 53118370, 106236740, 212473480]

約数ペア:

[(1, 212473480), (2, 106236740), (4, 53118370), (5, 42494696), (8, 26559185), (10, 21247348), (17, 12498440), (20, 10623674), (34, 6249220), (40, 5311837), (41, 5182280), (68, 3124610), (82, 2591140), (85, 2499688), (136, 1562305), (164, 1295570), (170, 1249844), (205, 1036456), (328, 647785), (340, 624922), (410, 518228), (680, 312461), (697, 304840), (820, 259114), (1394, 152420), (1640, 129557), (2788, 76210), (3485, 60968), (5576, 38105), (6970, 30484), (7621, 27880), (13940, 15242)]