216842360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9803}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 564710400

約数和(自身を除く): 347868040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 9803, 11060, 19606, 22120, 39212, 49015, 68621, 78424, 98030, 137242, 196060, 274484, 343105, 392120, 548968, 686210, 774437, 1372420, 1548874, 2744840, 3097748, 3872185, 5421059, 6195496, 7744370, 10842118, 15488740, 21684236, 27105295, 30977480, 43368472, 54210590, 108421180, 216842360]

約数ペア:

[(1, 216842360), (2, 108421180), (4, 54210590), (5, 43368472), (7, 30977480), (8, 27105295), (10, 21684236), (14, 15488740), (20, 10842118), (28, 7744370), (35, 6195496), (40, 5421059), (56, 3872185), (70, 3097748), (79, 2744840), (140, 1548874), (158, 1372420), (280, 774437), (316, 686210), (395, 548968), (553, 392120), (632, 343105), (790, 274484), (1106, 196060), (1580, 137242), (2212, 98030), (2765, 78424), (3160, 68621), (4424, 49015), (5530, 39212), (9803, 22120), (11060, 19606)]