280454104

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{122149}}^1$

素因数の和:122203

約数の個数: 32

約数和(自身を含む): 615636000

約数和(自身を除く): 335181896

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 122149, 244298, 488596, 855043, 977192, 1710086, 3420172, 5008109, 6840344, 10016218, 20032436, 35056763, 40064872, 70113526, 140227052, 280454104]

約数ペア:

[(1, 280454104), (2, 140227052), (4, 70113526), (7, 40064872), (8, 35056763), (14, 20032436), (28, 10016218), (41, 6840344), (56, 5008109), (82, 3420172), (164, 1710086), (287, 977192), (328, 855043), (574, 488596), (1148, 244298), (2296, 122149)]