204077890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 375114240

約数和(自身を除く): 171036350

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 445, 535, 890, 1070, 2143, 4286, 9523, 10715, 19046, 21430, 47615, 95230, 190727, 229301, 381454, 458602, 953635, 1146505, 1907270, 2293010, 20407789, 40815578, 102038945, 204077890]

約数ペア:

[(1, 204077890), (2, 102038945), (5, 40815578), (10, 20407789), (89, 2293010), (107, 1907270), (178, 1146505), (214, 953635), (445, 458602), (535, 381454), (890, 229301), (1070, 190727), (2143, 95230), (4286, 47615), (9523, 21430), (10715, 19046)]