81903852580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2717447}}^1$

素因数の和:2717604

約数の個数: 48

約数和(自身を含む): 189003943296

約数和(自身を除く): 107100090716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 15070, 30140, 2717447, 5434894, 10869788, 13587235, 27174470, 29891917, 54348940, 59783834, 119567668, 149459585, 298919170, 372290239, 597838340, 744580478, 1489160956, 1861451195, 3722902390, 4095192629, 7445804780, 8190385258, 16380770516, 20475963145, 40951926290, 81903852580]

約数ペア:

[(1, 81903852580), (2, 40951926290), (4, 20475963145), (5, 16380770516), (10, 8190385258), (11, 7445804780), (20, 4095192629), (22, 3722902390), (44, 1861451195), (55, 1489160956), (110, 744580478), (137, 597838340), (220, 372290239), (274, 298919170), (548, 149459585), (685, 119567668), (1370, 59783834), (1507, 54348940), (2740, 29891917), (3014, 27174470), (6028, 13587235), (7535, 10869788), (15070, 5434894), (30140, 2717447)]