169721580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{404099}}^1$

素因数の和:404118

約数の個数: 48

約数和(自身を含む): 543110400

約数和(自身を除く): 373388820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 404099, 808198, 1212297, 1616396, 2020495, 2424594, 2828693, 4040990, 4849188, 5657386, 6061485, 8081980, 8486079, 11314772, 12122970, 14143465, 16972158, 24245940, 28286930, 33944316, 42430395, 56573860, 84860790, 169721580]

約数ペア:

[(1, 169721580), (2, 84860790), (3, 56573860), (4, 42430395), (5, 33944316), (6, 28286930), (7, 24245940), (10, 16972158), (12, 14143465), (14, 12122970), (15, 11314772), (20, 8486079), (21, 8081980), (28, 6061485), (30, 5657386), (35, 4849188), (42, 4040990), (60, 2828693), (70, 2424594), (84, 2020495), (105, 1616396), (140, 1212297), (210, 808198), (420, 404099)]