85980290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 174493440

約数和(自身を除く): 88513150

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 101, 109, 110, 142, 202, 218, 355, 505, 545, 710, 781, 1010, 1090, 1111, 1199, 1562, 2222, 2398, 3905, 5555, 5995, 7171, 7739, 7810, 11009, 11110, 11990, 14342, 15478, 22018, 35855, 38695, 55045, 71710, 77390, 78881, 85129, 110090, 121099, 157762, 170258, 242198, 394405, 425645, 605495, 781639, 788810, 851290, 1210990, 1563278, 3908195, 7816390, 8598029, 17196058, 42990145, 85980290]

約数ペア:

[(1, 85980290), (2, 42990145), (5, 17196058), (10, 8598029), (11, 7816390), (22, 3908195), (55, 1563278), (71, 1210990), (101, 851290), (109, 788810), (110, 781639), (142, 605495), (202, 425645), (218, 394405), (355, 242198), (505, 170258), (545, 157762), (710, 121099), (781, 110090), (1010, 85129), (1090, 78881), (1111, 77390), (1199, 71710), (1562, 55045), (2222, 38695), (2398, 35855), (3905, 22018), (5555, 15478), (5995, 14342), (7171, 11990), (7739, 11110), (7810, 11009)]