123928450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 246100320

約数和(自身を除く): 122171870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 73, 95, 146, 190, 365, 475, 730, 950, 1387, 1787, 1825, 2774, 3574, 3650, 6935, 8935, 13870, 17870, 33953, 34675, 44675, 67906, 69350, 89350, 130451, 169765, 260902, 339530, 652255, 848825, 1304510, 1697650, 2478569, 3261275, 4957138, 6522550, 12392845, 24785690, 61964225, 123928450]

約数ペア:

[(1, 123928450), (2, 61964225), (5, 24785690), (10, 12392845), (19, 6522550), (25, 4957138), (38, 3261275), (50, 2478569), (73, 1697650), (95, 1304510), (146, 848825), (190, 652255), (365, 339530), (475, 260902), (730, 169765), (950, 130451), (1387, 89350), (1787, 69350), (1825, 67906), (2774, 44675), (3574, 34675), (3650, 33953), (6935, 17870), (8935, 13870)]