2019949180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{587}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 4667544000

約数和(自身を除く): 2647594820

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 349, 493, 580, 587, 698, 986, 1174, 1396, 1745, 1972, 2348, 2465, 2935, 3490, 4930, 5870, 5933, 6980, 9860, 9979, 10121, 11740, 11866, 17023, 19958, 20242, 23732, 29665, 34046, 39916, 40484, 49895, 50605, 59330, 68092, 85115, 99790, 101210, 118660, 170230, 172057, 199580, 202420, 204863, 289391, 340460, 344114, 409726, 578782, 688228, 819452, 860285, 1024315, 1157564, 1446955, 1720570, 2048630, 2893910, 3441140, 3482671, 4097260, 5787820, 5941027, 6965342, 11882054, 13930684, 17413355, 23764108, 29705135, 34826710, 59410270, 69653420, 100997459, 118820540, 201994918, 403989836, 504987295, 1009974590, 2019949180]

約数ペア:

[(1, 2019949180), (2, 1009974590), (4, 504987295), (5, 403989836), (10, 201994918), (17, 118820540), (20, 100997459), (29, 69653420), (34, 59410270), (58, 34826710), (68, 29705135), (85, 23764108), (116, 17413355), (145, 13930684), (170, 11882054), (290, 6965342), (340, 5941027), (349, 5787820), (493, 4097260), (580, 3482671), (587, 3441140), (698, 2893910), (986, 2048630), (1174, 1720570), (1396, 1446955), (1745, 1157564), (1972, 1024315), (2348, 860285), (2465, 819452), (2935, 688228), (3490, 578782), (4930, 409726), (5870, 344114), (5933, 340460), (6980, 289391), (9860, 204863), (9979, 202420), (10121, 199580), (11740, 172057), (11866, 170230), (17023, 118660), (19958, 101210), (20242, 99790), (23732, 85115), (29665, 68092), (34046, 59330), (39916, 50605), (40484, 49895)]