217213280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43793}}^1$

素因数の和:43839

約数の個数: 48

約数和(自身を含む): 529732224

約数和(自身を除く): 312518944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43793, 87586, 175172, 218965, 350344, 437930, 700688, 875860, 1357583, 1401376, 1751720, 2715166, 3503440, 5430332, 6787915, 7006880, 10860664, 13575830, 21721328, 27151660, 43442656, 54303320, 108606640, 217213280]

約数ペア:

[(1, 217213280), (2, 108606640), (4, 54303320), (5, 43442656), (8, 27151660), (10, 21721328), (16, 13575830), (20, 10860664), (31, 7006880), (32, 6787915), (40, 5430332), (62, 3503440), (80, 2715166), (124, 1751720), (155, 1401376), (160, 1357583), (248, 875860), (310, 700688), (496, 437930), (620, 350344), (992, 218965), (1240, 175172), (2480, 87586), (4960, 43793)]