38782990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 77552640

約数和(自身を除く): 38769650

約数列:

[1, 2, 5, 10, 19, 38, 43, 47, 86, 94, 95, 101, 190, 202, 215, 235, 430, 470, 505, 817, 893, 1010, 1634, 1786, 1919, 2021, 3838, 4042, 4085, 4343, 4465, 4747, 8170, 8686, 8930, 9494, 9595, 10105, 19190, 20210, 21715, 23735, 38399, 43430, 47470, 76798, 82517, 90193, 165034, 180386, 191995, 204121, 383990, 408242, 412585, 450965, 825170, 901930, 1020605, 2041210, 3878299, 7756598, 19391495, 38782990]

約数ペア:

[(1, 38782990), (2, 19391495), (5, 7756598), (10, 3878299), (19, 2041210), (38, 1020605), (43, 901930), (47, 825170), (86, 450965), (94, 412585), (95, 408242), (101, 383990), (190, 204121), (202, 191995), (215, 180386), (235, 165034), (430, 90193), (470, 82517), (505, 76798), (817, 47470), (893, 43430), (1010, 38399), (1634, 23735), (1786, 21715), (1919, 20210), (2021, 19190), (3838, 10105), (4042, 9595), (4085, 9494), (4343, 8930), (4465, 8686), (4747, 8170)]