408645280

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28697}}^1$

素因数の和:28801

約数の個数: 48

約数和(自身を含む): 976305960

約数和(自身を除く): 567660680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 28697, 57394, 114788, 143485, 229576, 286970, 459152, 573940, 918304, 1147880, 2295760, 2554033, 4591520, 5108066, 10216132, 12770165, 20432264, 25540330, 40864528, 51080660, 81729056, 102161320, 204322640, 408645280]

約数ペア:

[(1, 408645280), (2, 204322640), (4, 102161320), (5, 81729056), (8, 51080660), (10, 40864528), (16, 25540330), (20, 20432264), (32, 12770165), (40, 10216132), (80, 5108066), (89, 4591520), (160, 2554033), (178, 2295760), (356, 1147880), (445, 918304), (712, 573940), (890, 459152), (1424, 286970), (1780, 229576), (2848, 143485), (3560, 114788), (7120, 57394), (14240, 28697)]