16553900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 39841200

約数和(自身を除く): 23287300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 149, 202, 220, 275, 298, 404, 505, 550, 596, 745, 1010, 1100, 1111, 1490, 1639, 2020, 2222, 2525, 2980, 3278, 3725, 4444, 5050, 5555, 6556, 7450, 8195, 10100, 11110, 14900, 15049, 16390, 22220, 27775, 30098, 32780, 40975, 55550, 60196, 75245, 81950, 111100, 150490, 163900, 165539, 300980, 331078, 376225, 662156, 752450, 827695, 1504900, 1655390, 3310780, 4138475, 8276950, 16553900]

約数ペア:

[(1, 16553900), (2, 8276950), (4, 4138475), (5, 3310780), (10, 1655390), (11, 1504900), (20, 827695), (22, 752450), (25, 662156), (44, 376225), (50, 331078), (55, 300980), (100, 165539), (101, 163900), (110, 150490), (149, 111100), (202, 81950), (220, 75245), (275, 60196), (298, 55550), (404, 40975), (505, 32780), (550, 30098), (596, 27775), (745, 22220), (1010, 16390), (1100, 15049), (1111, 14900), (1490, 11110), (1639, 10100), (2020, 8195), (2222, 7450), (2525, 6556), (2980, 5555), (3278, 5050), (3725, 4444)]