207736060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20899}}^1$

素因数の和:20986

約数の個数: 48

約数和(自身を含む): 505612800

約数和(自身を除く): 297876740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 20899, 41798, 83596, 104495, 146293, 208990, 292586, 417980, 585172, 731465, 1462930, 1483829, 2925860, 2967658, 5935316, 7419145, 10386803, 14838290, 20773606, 29676580, 41547212, 51934015, 103868030, 207736060]

約数ペア:

[(1, 207736060), (2, 103868030), (4, 51934015), (5, 41547212), (7, 29676580), (10, 20773606), (14, 14838290), (20, 10386803), (28, 7419145), (35, 5935316), (70, 2967658), (71, 2925860), (140, 1483829), (142, 1462930), (284, 731465), (355, 585172), (497, 417980), (710, 292586), (994, 208990), (1420, 146293), (1988, 104495), (2485, 83596), (4970, 41798), (9940, 20899)]