207939830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 455051520

約数和(自身を除く): 247111690

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 71, 86, 98, 139, 142, 215, 245, 278, 301, 355, 430, 490, 497, 602, 695, 710, 973, 994, 1390, 1505, 1946, 2107, 2485, 3010, 3053, 3479, 4214, 4865, 4970, 5977, 6106, 6811, 6958, 9730, 9869, 10535, 11954, 13622, 15265, 17395, 19738, 21070, 21371, 29885, 30530, 34055, 34790, 41839, 42742, 49345, 59770, 68110, 69083, 83678, 98690, 106855, 138166, 149597, 209195, 213710, 292873, 299194, 345415, 418390, 424367, 483581, 585746, 690830, 747985, 848734, 967162, 1464365, 1495970, 2121835, 2417905, 2928730, 2970569, 4243670, 4835810, 5941138, 14852845, 20793983, 29705690, 41587966, 103969915, 207939830]

約数ペア:

[(1, 207939830), (2, 103969915), (5, 41587966), (7, 29705690), (10, 20793983), (14, 14852845), (35, 5941138), (43, 4835810), (49, 4243670), (70, 2970569), (71, 2928730), (86, 2417905), (98, 2121835), (139, 1495970), (142, 1464365), (215, 967162), (245, 848734), (278, 747985), (301, 690830), (355, 585746), (430, 483581), (490, 424367), (497, 418390), (602, 345415), (695, 299194), (710, 292873), (973, 213710), (994, 209195), (1390, 149597), (1505, 138166), (1946, 106855), (2107, 98690), (2485, 83678), (3010, 69083), (3053, 68110), (3479, 59770), (4214, 49345), (4865, 42742), (4970, 41839), (5977, 34790), (6106, 34055), (6811, 30530), (6958, 29885), (9730, 21371), (9869, 21070), (10535, 19738), (11954, 17395), (13622, 15265)]