204877890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{108401}}^1$

素因数の和:108424

約数の個数: 64

約数和(自身を含む): 624395520

約数和(自身を除く): 419517630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 108401, 216802, 325203, 542005, 650406, 758807, 975609, 1084010, 1517614, 1626015, 1951218, 2276421, 2926827, 3252030, 3794035, 4552842, 4878045, 5853654, 6829263, 7588070, 9756090, 11382105, 13658526, 14634135, 20487789, 22764210, 29268270, 34146315, 40975578, 68292630, 102438945, 204877890]

約数ペア:

[(1, 204877890), (2, 102438945), (3, 68292630), (5, 40975578), (6, 34146315), (7, 29268270), (9, 22764210), (10, 20487789), (14, 14634135), (15, 13658526), (18, 11382105), (21, 9756090), (27, 7588070), (30, 6829263), (35, 5853654), (42, 4878045), (45, 4552842), (54, 3794035), (63, 3252030), (70, 2926827), (90, 2276421), (105, 1951218), (126, 1626015), (135, 1517614), (189, 1084010), (210, 975609), (270, 758807), (315, 650406), (378, 542005), (630, 325203), (945, 216802), (1890, 108401)]