1821993200

素因数分解:

$2^4\times 5^2\times {\mathrm{4554983}}^1$

素因数の和:4555001

約数の個数: 30

約数和(自身を含む): 4377339624

約数和(自身を除く): 2555346424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4554983, 9109966, 18219932, 22774915, 36439864, 45549830, 72879728, 91099660, 113874575, 182199320, 227749150, 364398640, 455498300, 910996600, 1821993200]

約数ペア:

[(1, 1821993200), (2, 910996600), (4, 455498300), (5, 364398640), (8, 227749150), (10, 182199320), (16, 113874575), (20, 91099660), (25, 72879728), (40, 45549830), (50, 36439864), (80, 22774915), (100, 18219932), (200, 9109966), (400, 4554983)]