81276790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4541

約数の個数: 48

約数和(自身を含む): 174822192

約数和(自身を除く): 93545402

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1813, 2590, 3626, 4483, 8966, 9065, 18130, 22415, 31381, 44830, 62762, 156905, 165871, 219667, 313810, 331742, 439334, 829355, 1098335, 1161097, 1658710, 2196670, 2322194, 5805485, 8127679, 11610970, 16255358, 40638395, 81276790]

約数ペア:

[(1, 81276790), (2, 40638395), (5, 16255358), (7, 11610970), (10, 8127679), (14, 5805485), (35, 2322194), (37, 2196670), (49, 1658710), (70, 1161097), (74, 1098335), (98, 829355), (185, 439334), (245, 331742), (259, 313810), (370, 219667), (490, 165871), (518, 156905), (1295, 62762), (1813, 44830), (2590, 31381), (3626, 22415), (4483, 18130), (8966, 9065)]