84381780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{200909}}^1$

素因数の和:200928

約数の個数: 48

約数和(自身を含む): 270023040

約数和(自身を除く): 185641260

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, 200909, 401818, 602727, 803636, 1004545, 1205454, 1406363, 2009090, 2410908, 2812726, 3013635, 4018180, 4219089, 5625452, 6027270, 7031815, 8438178, 12054540, 14063630, 16876356, 21095445, 28127260, 42190890, 84381780]

約数ペア:

[(1, 84381780), (2, 42190890), (3, 28127260), (4, 21095445), (5, 16876356), (6, 14063630), (7, 12054540), (10, 8438178), (12, 7031815), (14, 6027270), (15, 5625452), (20, 4219089), (21, 4018180), (28, 3013635), (30, 2812726), (35, 2410908), (42, 2009090), (60, 1406363), (70, 1205454), (84, 1004545), (105, 803636), (140, 602727), (210, 401818), (420, 200909)]