210828475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3469}}^1$

素因数の和:3520

約数の個数: 48

約数和(自身を含む): 325291680

約数和(自身を除く): 114463205

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3469, 3575, 4675, 5525, 12155, 17345, 38159, 45097, 58973, 60775, 86725, 190795, 225485, 294865, 496067, 648703, 766649, 953975, 1127425, 1474325, 2480335, 3243515, 3833245, 8433139, 12401675, 16217575, 19166225, 42165695, 210828475]

約数ペア:

[(1, 210828475), (5, 42165695), (11, 19166225), (13, 16217575), (17, 12401675), (25, 8433139), (55, 3833245), (65, 3243515), (85, 2480335), (143, 1474325), (187, 1127425), (221, 953975), (275, 766649), (325, 648703), (425, 496067), (715, 294865), (935, 225485), (1105, 190795), (2431, 86725), (3469, 60775), (3575, 58973), (4675, 45097), (5525, 38159), (12155, 17345)]