7490992040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{26753543}}^1$

素因数の和:26753561

約数の個数: 32

約数和(自身を含む): 19262551680

約数和(自身を除く): 11771559640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 26753543, 53507086, 107014172, 133767715, 187274801, 214028344, 267535430, 374549602, 535070860, 749099204, 936374005, 1070141720, 1498198408, 1872748010, 3745496020, 7490992040]

約数ペア:

[(1, 7490992040), (2, 3745496020), (4, 1872748010), (5, 1498198408), (7, 1070141720), (8, 936374005), (10, 749099204), (14, 535070860), (20, 374549602), (28, 267535430), (35, 214028344), (40, 187274801), (56, 133767715), (70, 107014172), (140, 53507086), (280, 26753543)]