22261000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 52818480

約数和(自身を除く): 30557480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 197, 200, 226, 250, 394, 452, 500, 565, 788, 904, 985, 1000, 1130, 1576, 1970, 2260, 2825, 3940, 4520, 4925, 5650, 7880, 9850, 11300, 14125, 19700, 22261, 22600, 24625, 28250, 39400, 44522, 49250, 56500, 89044, 98500, 111305, 113000, 178088, 197000, 222610, 445220, 556525, 890440, 1113050, 2226100, 2782625, 4452200, 5565250, 11130500, 22261000]

約数ペア:

[(1, 22261000), (2, 11130500), (4, 5565250), (5, 4452200), (8, 2782625), (10, 2226100), (20, 1113050), (25, 890440), (40, 556525), (50, 445220), (100, 222610), (113, 197000), (125, 178088), (197, 113000), (200, 111305), (226, 98500), (250, 89044), (394, 56500), (452, 49250), (500, 44522), (565, 39400), (788, 28250), (904, 24625), (985, 22600), (1000, 22261), (1130, 19700), (1576, 14125), (1970, 11300), (2260, 9850), (2825, 7880), (3940, 5650), (4520, 4925)]