219459660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522523}}^1$

素因数の和:522542

約数の個数: 48

約数和(自身を含む): 702272256

約数和(自身を除く): 482812596

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, 522523, 1045046, 1567569, 2090092, 2612615, 3135138, 3657661, 5225230, 6270276, 7315322, 7837845, 10450460, 10972983, 14630644, 15675690, 18288305, 21945966, 31351380, 36576610, 43891932, 54864915, 73153220, 109729830, 219459660]

約数ペア:

[(1, 219459660), (2, 109729830), (3, 73153220), (4, 54864915), (5, 43891932), (6, 36576610), (7, 31351380), (10, 21945966), (12, 18288305), (14, 15675690), (15, 14630644), (20, 10972983), (21, 10450460), (28, 7837845), (30, 7315322), (35, 6270276), (42, 5225230), (60, 3657661), (70, 3135138), (84, 2612615), (105, 2090092), (140, 1567569), (210, 1045046), (420, 522523)]