87013220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{88789}}^1$

素因数の和:88812

約数の個数: 36

約数和(自身を含む): 212563260

約数和(自身を除く): 125550040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 88789, 177578, 355156, 443945, 621523, 887890, 1243046, 1775780, 2486092, 3107615, 4350661, 6215230, 8701322, 12430460, 17402644, 21753305, 43506610, 87013220]

約数ペア:

[(1, 87013220), (2, 43506610), (4, 21753305), (5, 17402644), (7, 12430460), (10, 8701322), (14, 6215230), (20, 4350661), (28, 3107615), (35, 2486092), (49, 1775780), (70, 1243046), (98, 887890), (140, 621523), (196, 443945), (245, 355156), (490, 177578), (980, 88789)]