71761970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1227

約数の個数: 48

約数和(自身を含む): 151499160

約数和(自身を除く): 79737190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1069, 1370, 1918, 2138, 4795, 5345, 6713, 7483, 9590, 10690, 13426, 14966, 33565, 37415, 52381, 67130, 74830, 104762, 146453, 261905, 292906, 523810, 732265, 1025171, 1464530, 2050342, 5125855, 7176197, 10251710, 14352394, 35880985, 71761970]

約数ペア:

[(1, 71761970), (2, 35880985), (5, 14352394), (7, 10251710), (10, 7176197), (14, 5125855), (35, 2050342), (49, 1464530), (70, 1025171), (98, 732265), (137, 523810), (245, 292906), (274, 261905), (490, 146453), (685, 104762), (959, 74830), (1069, 67130), (1370, 52381), (1918, 37415), (2138, 33565), (4795, 14966), (5345, 13426), (6713, 10690), (7483, 9590)]