2020442380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1351

約数の個数: 96

約数和(自身を含む): 4737761280

約数和(自身を除く): 2717318900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 101, 110, 158, 202, 220, 316, 395, 404, 505, 790, 869, 1010, 1111, 1151, 1580, 1738, 2020, 2222, 2302, 3476, 4345, 4444, 4604, 5555, 5755, 7979, 8690, 11110, 11510, 12661, 15958, 17380, 22220, 23020, 25322, 31916, 39895, 50644, 63305, 79790, 87769, 90929, 116251, 126610, 159580, 175538, 181858, 232502, 253220, 351076, 363716, 438845, 454645, 465004, 581255, 877690, 909290, 1000219, 1162510, 1278761, 1755380, 1818580, 2000438, 2325020, 2557522, 4000876, 5001095, 5115044, 6393805, 9183829, 10002190, 12787610, 18367658, 20004380, 25575220, 36735316, 45919145, 91838290, 101022119, 183676580, 202044238, 404088476, 505110595, 1010221190, 2020442380]

約数ペア:

[(1, 2020442380), (2, 1010221190), (4, 505110595), (5, 404088476), (10, 202044238), (11, 183676580), (20, 101022119), (22, 91838290), (44, 45919145), (55, 36735316), (79, 25575220), (101, 20004380), (110, 18367658), (158, 12787610), (202, 10002190), (220, 9183829), (316, 6393805), (395, 5115044), (404, 5001095), (505, 4000876), (790, 2557522), (869, 2325020), (1010, 2000438), (1111, 1818580), (1151, 1755380), (1580, 1278761), (1738, 1162510), (2020, 1000219), (2222, 909290), (2302, 877690), (3476, 581255), (4345, 465004), (4444, 454645), (4604, 438845), (5555, 363716), (5755, 351076), (7979, 253220), (8690, 232502), (11110, 181858), (11510, 175538), (12661, 159580), (15958, 126610), (17380, 116251), (22220, 90929), (23020, 87769), (25322, 79790), (31916, 63305), (39895, 50644)]