2021704420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{30697}}^1$

素因数の和:30832

約数の個数: 48

約数和(自身を含む): 4409460720

約数和(自身を除く): 2387756300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 445, 740, 890, 1780, 3293, 6586, 13172, 16465, 30697, 32930, 61394, 65860, 122788, 153485, 306970, 613940, 1135789, 2271578, 2732033, 4543156, 5464066, 5678945, 10928132, 11357890, 13660165, 22715780, 27320330, 54640660, 101085221, 202170442, 404340884, 505426105, 1010852210, 2021704420]

約数ペア:

[(1, 2021704420), (2, 1010852210), (4, 505426105), (5, 404340884), (10, 202170442), (20, 101085221), (37, 54640660), (74, 27320330), (89, 22715780), (148, 13660165), (178, 11357890), (185, 10928132), (356, 5678945), (370, 5464066), (445, 4543156), (740, 2732033), (890, 2271578), (1780, 1135789), (3293, 613940), (6586, 306970), (13172, 153485), (16465, 122788), (30697, 65860), (32930, 61394)]