190890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 587520

約数和(自身を除く): 396630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 101, 105, 126, 135, 189, 202, 210, 270, 303, 315, 378, 505, 606, 630, 707, 909, 945, 1010, 1414, 1515, 1818, 1890, 2121, 2727, 3030, 3535, 4242, 4545, 5454, 6363, 7070, 9090, 10605, 12726, 13635, 19089, 21210, 27270, 31815, 38178, 63630, 95445, 190890]

約数ペア:

[(1, 190890), (2, 95445), (3, 63630), (5, 38178), (6, 31815), (7, 27270), (9, 21210), (10, 19089), (14, 13635), (15, 12726), (18, 10605), (21, 9090), (27, 7070), (30, 6363), (35, 5454), (42, 4545), (45, 4242), (54, 3535), (63, 3030), (70, 2727), (90, 2121), (101, 1890), (105, 1818), (126, 1515), (135, 1414), (189, 1010), (202, 945), (210, 909), (270, 707), (303, 630), (315, 606), (378, 505)]