2781755800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{732041}}^1$

素因数の和:732076

約数の個数: 48

約数和(自身を含む): 6807990600

約数和(自身を除く): 4026234800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 732041, 1464082, 2928164, 3660205, 5856328, 7320410, 13908779, 14640820, 18301025, 27817558, 29281640, 36602050, 55635116, 69543895, 73204100, 111270232, 139087790, 146408200, 278175580, 347719475, 556351160, 695438950, 1390877900, 2781755800]

約数ペア:

[(1, 2781755800), (2, 1390877900), (4, 695438950), (5, 556351160), (8, 347719475), (10, 278175580), (19, 146408200), (20, 139087790), (25, 111270232), (38, 73204100), (40, 69543895), (50, 55635116), (76, 36602050), (95, 29281640), (100, 27817558), (152, 18301025), (190, 14640820), (200, 13908779), (380, 7320410), (475, 5856328), (760, 3660205), (950, 2928164), (1900, 1464082), (3800, 732041)]