200720775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 343291520

約数和(自身を除く): 142570745

約数列:

[1, 3, 5, 15, 25, 43, 75, 109, 129, 215, 327, 545, 571, 645, 1075, 1635, 1713, 2725, 2855, 3225, 4687, 8175, 8565, 14061, 14275, 23435, 24553, 42825, 62239, 70305, 73659, 117175, 122765, 186717, 311195, 351525, 368295, 613825, 933585, 1555975, 1841475, 2676277, 4667925, 8028831, 13381385, 40144155, 66906925, 200720775]

約数ペア:

[(1, 200720775), (3, 66906925), (5, 40144155), (15, 13381385), (25, 8028831), (43, 4667925), (75, 2676277), (109, 1841475), (129, 1555975), (215, 933585), (327, 613825), (545, 368295), (571, 351525), (645, 311195), (1075, 186717), (1635, 122765), (1713, 117175), (2725, 73659), (2855, 70305), (3225, 62239), (4687, 42825), (8175, 24553), (8565, 23435), (14061, 14275)]