49102180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 105719040

約数和(自身を除く): 56616860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 229, 284, 302, 355, 458, 604, 710, 755, 916, 1145, 1420, 1510, 2290, 3020, 4580, 10721, 16259, 21442, 32518, 34579, 42884, 53605, 65036, 69158, 81295, 107210, 138316, 162590, 172895, 214420, 325180, 345790, 691580, 2455109, 4910218, 9820436, 12275545, 24551090, 49102180]

約数ペア:

[(1, 49102180), (2, 24551090), (4, 12275545), (5, 9820436), (10, 4910218), (20, 2455109), (71, 691580), (142, 345790), (151, 325180), (229, 214420), (284, 172895), (302, 162590), (355, 138316), (458, 107210), (604, 81295), (710, 69158), (755, 65036), (916, 53605), (1145, 42884), (1420, 34579), (1510, 32518), (2290, 21442), (3020, 16259), (4580, 10721)]