77051540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 166020624

約数和(自身を除く): 88969084

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 244, 274, 305, 461, 548, 610, 685, 922, 1220, 1370, 1844, 2305, 2740, 4610, 8357, 9220, 16714, 28121, 33428, 41785, 56242, 63157, 83570, 112484, 126314, 140605, 167140, 252628, 281210, 315785, 562420, 631570, 1263140, 3852577, 7705154, 15410308, 19262885, 38525770, 77051540]

約数ペア:

[(1, 77051540), (2, 38525770), (4, 19262885), (5, 15410308), (10, 7705154), (20, 3852577), (61, 1263140), (122, 631570), (137, 562420), (244, 315785), (274, 281210), (305, 252628), (461, 167140), (548, 140605), (610, 126314), (685, 112484), (922, 83570), (1220, 63157), (1370, 56242), (1844, 41785), (2305, 33428), (2740, 28121), (4610, 16714), (8357, 9220)]