191720450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7019

約数の個数: 48

約数和(自身を含む): 388368000

約数和(自身を除く): 196647550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 5510, 6959, 13775, 13918, 27550, 34795, 69590, 132221, 173975, 201811, 264442, 347950, 403622, 661105, 1009055, 1322210, 2018110, 3305525, 3834409, 5045275, 6611050, 7668818, 10090550, 19172045, 38344090, 95860225, 191720450]

約数ペア:

[(1, 191720450), (2, 95860225), (5, 38344090), (10, 19172045), (19, 10090550), (25, 7668818), (29, 6611050), (38, 5045275), (50, 3834409), (58, 3305525), (95, 2018110), (145, 1322210), (190, 1009055), (290, 661105), (475, 403622), (551, 347950), (725, 264442), (950, 201811), (1102, 173975), (1450, 132221), (2755, 69590), (5510, 34795), (6959, 27550), (13775, 13918)]