2018756690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 4003831296

約数和(自身を除く): 1985074606

約数列:

[1, 2, 5, 10, 23, 43, 46, 47, 86, 94, 101, 115, 202, 215, 230, 235, 430, 470, 505, 989, 1010, 1081, 1849, 1978, 2021, 2162, 2323, 3698, 4042, 4343, 4646, 4747, 4945, 5405, 8686, 9245, 9494, 9890, 10105, 10810, 11615, 18490, 20210, 21715, 23230, 23735, 42527, 43430, 46483, 47470, 85054, 86903, 92966, 99889, 109181, 173806, 186749, 199778, 204121, 212635, 218362, 232415, 373498, 408242, 425270, 434515, 464830, 499445, 545905, 869030, 933745, 998890, 1020605, 1091810, 1867490, 1998769, 2041210, 3997538, 4295227, 4694783, 8590454, 8777203, 9389566, 9993845, 17554406, 19987690, 21476135, 23473915, 42952270, 43886015, 46947830, 87772030, 201875669, 403751338, 1009378345, 2018756690]

約数ペア:

[(1, 2018756690), (2, 1009378345), (5, 403751338), (10, 201875669), (23, 87772030), (43, 46947830), (46, 43886015), (47, 42952270), (86, 23473915), (94, 21476135), (101, 19987690), (115, 17554406), (202, 9993845), (215, 9389566), (230, 8777203), (235, 8590454), (430, 4694783), (470, 4295227), (505, 3997538), (989, 2041210), (1010, 1998769), (1081, 1867490), (1849, 1091810), (1978, 1020605), (2021, 998890), (2162, 933745), (2323, 869030), (3698, 545905), (4042, 499445), (4343, 464830), (4646, 434515), (4747, 425270), (4945, 408242), (5405, 373498), (8686, 232415), (9245, 218362), (9494, 212635), (9890, 204121), (10105, 199778), (10810, 186749), (11615, 173806), (18490, 109181), (20210, 99889), (21715, 92966), (23230, 86903), (23735, 85054), (42527, 47470), (43430, 46483)]