1994201720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7122149}}^1$

素因数の和:7122167

約数の個数: 32

約数和(自身を含む): 5127948000

約数和(自身を除く): 3133746280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7122149, 14244298, 28488596, 35610745, 49855043, 56977192, 71221490, 99710086, 142442980, 199420172, 249275215, 284885960, 398840344, 498550430, 997100860, 1994201720]

約数ペア:

[(1, 1994201720), (2, 997100860), (4, 498550430), (5, 398840344), (7, 284885960), (8, 249275215), (10, 199420172), (14, 142442980), (20, 99710086), (28, 71221490), (35, 56977192), (40, 49855043), (56, 35610745), (70, 28488596), (140, 14244298), (280, 7122149)]