15511100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 37497600

約数和(自身を除く): 21986500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 239, 275, 295, 478, 550, 590, 649, 956, 1100, 1180, 1195, 1298, 1475, 2390, 2596, 2629, 2950, 3245, 4780, 5258, 5900, 5975, 6490, 10516, 11950, 12980, 13145, 14101, 16225, 23900, 26290, 28202, 32450, 52580, 56404, 64900, 65725, 70505, 131450, 141010, 155111, 262900, 282020, 310222, 352525, 620444, 705050, 775555, 1410100, 1551110, 3102220, 3877775, 7755550, 15511100]

約数ペア:

[(1, 15511100), (2, 7755550), (4, 3877775), (5, 3102220), (10, 1551110), (11, 1410100), (20, 775555), (22, 705050), (25, 620444), (44, 352525), (50, 310222), (55, 282020), (59, 262900), (100, 155111), (110, 141010), (118, 131450), (220, 70505), (236, 65725), (239, 64900), (275, 56404), (295, 52580), (478, 32450), (550, 28202), (590, 26290), (649, 23900), (956, 16225), (1100, 14101), (1180, 13145), (1195, 12980), (1298, 11950), (1475, 10516), (2390, 6490), (2596, 5975), (2629, 5900), (2950, 5258), (3245, 4780)]