278311530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1325293}}^1$

素因数の和:1325310

約数の個数: 32

約数和(自身を含む): 763369344

約数和(自身を除く): 485057814

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1325293, 2650586, 3975879, 6626465, 7951758, 9277051, 13252930, 18554102, 19879395, 27831153, 39758790, 46385255, 55662306, 92770510, 139155765, 278311530]

約数ペア:

[(1, 278311530), (2, 139155765), (3, 92770510), (5, 55662306), (6, 46385255), (7, 39758790), (10, 27831153), (14, 19879395), (15, 18554102), (21, 13252930), (30, 9277051), (35, 7951758), (42, 6626465), (70, 3975879), (105, 2650586), (210, 1325293)]