207986380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2663

約数の個数: 72

約数和(自身を含む): 514403568

約数和(自身を除く): 306417188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2557, 2905, 4067, 5114, 5810, 8134, 10228, 11620, 12785, 16268, 17899, 20335, 25570, 35798, 40670, 51140, 71596, 81340, 89495, 125293, 178990, 212231, 250586, 357980, 424462, 501172, 626465, 848924, 1061155, 1252930, 1485617, 2122310, 2505860, 2971234, 4244620, 5942468, 7428085, 10399319, 14856170, 20798638, 29712340, 41597276, 51996595, 103993190, 207986380]

約数ペア:

[(1, 207986380), (2, 103993190), (4, 51996595), (5, 41597276), (7, 29712340), (10, 20798638), (14, 14856170), (20, 10399319), (28, 7428085), (35, 5942468), (49, 4244620), (70, 2971234), (83, 2505860), (98, 2122310), (140, 1485617), (166, 1252930), (196, 1061155), (245, 848924), (332, 626465), (415, 501172), (490, 424462), (581, 357980), (830, 250586), (980, 212231), (1162, 178990), (1660, 125293), (2324, 89495), (2557, 81340), (2905, 71596), (4067, 51140), (5114, 40670), (5810, 35798), (8134, 25570), (10228, 20335), (11620, 17899), (12785, 16268)]