1320806725

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 1909699200

約数和(自身を除く): 588892475

約数列:

[1, 5, 7, 25, 35, 89, 137, 175, 445, 619, 623, 685, 959, 2225, 3095, 3115, 3425, 4333, 4795, 12193, 15475, 15575, 21665, 23975, 55091, 60965, 84803, 85351, 108325, 275455, 304825, 385637, 424015, 426755, 593621, 1377275, 1928185, 2120075, 2133775, 2968105, 7547467, 9640925, 14840525, 37737335, 52832269, 188686675, 264161345, 1320806725]

約数ペア:

[(1, 1320806725), (5, 264161345), (7, 188686675), (25, 52832269), (35, 37737335), (89, 14840525), (137, 9640925), (175, 7547467), (445, 2968105), (619, 2133775), (623, 2120075), (685, 1928185), (959, 1377275), (2225, 593621), (3095, 426755), (3115, 424015), (3425, 385637), (4333, 304825), (4795, 275455), (12193, 108325), (15475, 85351), (15575, 84803), (21665, 60965), (23975, 55091)]