217081770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 530509824

約数和(自身を除く): 313428054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 163, 206, 309, 326, 431, 489, 515, 618, 815, 862, 978, 1030, 1293, 1545, 1630, 2155, 2445, 2586, 3090, 4310, 4890, 6465, 12930, 16789, 33578, 44393, 50367, 70253, 83945, 88786, 100734, 133179, 140506, 167890, 210759, 221965, 251835, 266358, 351265, 421518, 443930, 503670, 665895, 702530, 1053795, 1331790, 2107590, 7236059, 14472118, 21708177, 36180295, 43416354, 72360590, 108540885, 217081770]

約数ペア:

[(1, 217081770), (2, 108540885), (3, 72360590), (5, 43416354), (6, 36180295), (10, 21708177), (15, 14472118), (30, 7236059), (103, 2107590), (163, 1331790), (206, 1053795), (309, 702530), (326, 665895), (431, 503670), (489, 443930), (515, 421518), (618, 351265), (815, 266358), (862, 251835), (978, 221965), (1030, 210759), (1293, 167890), (1545, 140506), (1630, 133179), (2155, 100734), (2445, 88786), (2586, 83945), (3090, 70253), (4310, 50367), (4890, 44393), (6465, 33578), (12930, 16789)]