827860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 1959552

約数和(自身を除く): 1131692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 71, 106, 110, 142, 212, 220, 265, 284, 355, 530, 583, 710, 781, 1060, 1166, 1420, 1562, 2332, 2915, 3124, 3763, 3905, 5830, 7526, 7810, 11660, 15052, 15620, 18815, 37630, 41393, 75260, 82786, 165572, 206965, 413930, 827860]

約数ペア:

[(1, 827860), (2, 413930), (4, 206965), (5, 165572), (10, 82786), (11, 75260), (20, 41393), (22, 37630), (44, 18815), (53, 15620), (55, 15052), (71, 11660), (106, 7810), (110, 7526), (142, 5830), (212, 3905), (220, 3763), (265, 3124), (284, 2915), (355, 2332), (530, 1562), (583, 1420), (710, 1166), (781, 1060)]