156928240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280229}}^1$

素因数の和:280249

約数の個数: 40

約数和(自身を含む): 416982240

約数和(自身を除く): 260054000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280229, 560458, 1120916, 1401145, 1961603, 2241832, 2802290, 3923206, 4483664, 5604580, 7846412, 9808015, 11209160, 15692824, 19616030, 22418320, 31385648, 39232060, 78464120, 156928240]

約数ペア:

[(1, 156928240), (2, 78464120), (4, 39232060), (5, 31385648), (7, 22418320), (8, 19616030), (10, 15692824), (14, 11209160), (16, 9808015), (20, 7846412), (28, 5604580), (35, 4483664), (40, 3923206), (56, 2802290), (70, 2241832), (80, 1961603), (112, 1401145), (140, 1120916), (280, 560458), (560, 280229)]