20199808300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{129403}}^1$

素因数の和:129647

約数の個数: 72

約数和(自身を含む): 50320557056

約数和(自身を除く): 30120748756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 223, 350, 446, 700, 892, 1115, 1561, 2230, 3122, 4460, 5575, 6244, 7805, 11150, 15610, 22300, 31220, 39025, 78050, 129403, 156100, 258806, 517612, 647015, 905821, 1294030, 1811642, 2588060, 3235075, 3623284, 4529105, 6470150, 9058210, 12940300, 18116420, 22645525, 28856869, 45291050, 57713738, 90582100, 115427476, 144284345, 201998083, 288568690, 403996166, 577137380, 721421725, 807992332, 1009990415, 1442843450, 2019980830, 2885686900, 4039961660, 5049952075, 10099904150, 20199808300]

約数ペア:

[(1, 20199808300), (2, 10099904150), (4, 5049952075), (5, 4039961660), (7, 2885686900), (10, 2019980830), (14, 1442843450), (20, 1009990415), (25, 807992332), (28, 721421725), (35, 577137380), (50, 403996166), (70, 288568690), (100, 201998083), (140, 144284345), (175, 115427476), (223, 90582100), (350, 57713738), (446, 45291050), (700, 28856869), (892, 22645525), (1115, 18116420), (1561, 12940300), (2230, 9058210), (3122, 6470150), (4460, 4529105), (5575, 3623284), (6244, 3235075), (7805, 2588060), (11150, 1811642), (15610, 1294030), (22300, 905821), (31220, 647015), (39025, 517612), (78050, 258806), (129403, 156100)]