1597420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 3755808

約数和(自身を除く): 2158388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 137, 212, 220, 265, 274, 530, 548, 583, 685, 1060, 1166, 1370, 1507, 2332, 2740, 2915, 3014, 5830, 6028, 7261, 7535, 11660, 14522, 15070, 29044, 30140, 36305, 72610, 79871, 145220, 159742, 319484, 399355, 798710, 1597420]

約数ペア:

[(1, 1597420), (2, 798710), (4, 399355), (5, 319484), (10, 159742), (11, 145220), (20, 79871), (22, 72610), (44, 36305), (53, 30140), (55, 29044), (106, 15070), (110, 14522), (137, 11660), (212, 7535), (220, 7261), (265, 6028), (274, 5830), (530, 3014), (548, 2915), (583, 2740), (685, 2332), (1060, 1507), (1166, 1370)]