99785020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 215611200

約数和(自身を除く): 115826180

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 919, 1220, 1780, 1838, 3676, 4595, 5429, 9190, 10858, 18380, 21716, 27145, 54290, 56059, 81791, 108580, 112118, 163582, 224236, 280295, 327164, 408955, 560590, 817910, 1121180, 1635820, 4989251, 9978502, 19957004, 24946255, 49892510, 99785020]

約数ペア:

[(1, 99785020), (2, 49892510), (4, 24946255), (5, 19957004), (10, 9978502), (20, 4989251), (61, 1635820), (89, 1121180), (122, 817910), (178, 560590), (244, 408955), (305, 327164), (356, 280295), (445, 224236), (610, 163582), (890, 112118), (919, 108580), (1220, 81791), (1780, 56059), (1838, 54290), (3676, 27145), (4595, 21716), (5429, 18380), (9190, 10858)]