120621620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{27793}}^1$

素因数の和:27840

約数の個数: 48

約数和(自身を含む): 298841088

約数和(自身を除く): 178219468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 27793, 55586, 111172, 138965, 194551, 277930, 389102, 555860, 778204, 861583, 972755, 1723166, 1945510, 3446332, 3891020, 4307915, 6031081, 8615830, 12062162, 17231660, 24124324, 30155405, 60310810, 120621620]

約数ペア:

[(1, 120621620), (2, 60310810), (4, 30155405), (5, 24124324), (7, 17231660), (10, 12062162), (14, 8615830), (20, 6031081), (28, 4307915), (31, 3891020), (35, 3446332), (62, 1945510), (70, 1723166), (124, 972755), (140, 861583), (155, 778204), (217, 555860), (310, 389102), (434, 277930), (620, 194551), (868, 138965), (1085, 111172), (2170, 55586), (4340, 27793)]