263914060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 567776160

約数和(自身を除く): 303862100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 244, 274, 305, 548, 610, 685, 1220, 1370, 1579, 2740, 3158, 6316, 7895, 8357, 15790, 16714, 31580, 33428, 41785, 83570, 96319, 167140, 192638, 216323, 385276, 432646, 481595, 865292, 963190, 1081615, 1926380, 2163230, 4326460, 13195703, 26391406, 52782812, 65978515, 131957030, 263914060]

約数ペア:

[(1, 263914060), (2, 131957030), (4, 65978515), (5, 52782812), (10, 26391406), (20, 13195703), (61, 4326460), (122, 2163230), (137, 1926380), (244, 1081615), (274, 963190), (305, 865292), (548, 481595), (610, 432646), (685, 385276), (1220, 216323), (1370, 192638), (1579, 167140), (2740, 96319), (3158, 83570), (6316, 41785), (7895, 33428), (8357, 31580), (15790, 16714)]