155260420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{158429}}^1$

素因数の和:158452

約数の個数: 36

約数和(自身を含む): 379281420

約数和(自身を除く): 224021000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 158429, 316858, 633716, 792145, 1109003, 1584290, 2218006, 3168580, 4436012, 5545015, 7763021, 11090030, 15526042, 22180060, 31052084, 38815105, 77630210, 155260420]

約数ペア:

[(1, 155260420), (2, 77630210), (4, 38815105), (5, 31052084), (7, 22180060), (10, 15526042), (14, 11090030), (20, 7763021), (28, 5545015), (35, 4436012), (49, 3168580), (70, 2218006), (98, 1584290), (140, 1109003), (196, 792145), (245, 633716), (490, 316858), (980, 158429)]