1384200980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{777641}}^1$

素因数の和:777739

約数の個数: 24

約数和(自身を含む): 2939486760

約数和(自身を除く): 1555285780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 777641, 1555282, 3110564, 3888205, 7776410, 15552820, 69210049, 138420098, 276840196, 346050245, 692100490, 1384200980]

約数ペア:

[(1, 1384200980), (2, 692100490), (4, 346050245), (5, 276840196), (10, 138420098), (20, 69210049), (89, 15552820), (178, 7776410), (356, 3888205), (445, 3110564), (890, 1555282), (1780, 777641)]