28869200

素因数分解:

$2^4\times 5^2\times {\mathrm{72173}}^1$

素因数の和:72191

約数の個数: 30

約数和(自身を含む): 69359214

約数和(自身を除く): 40490014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72173, 144346, 288692, 360865, 577384, 721730, 1154768, 1443460, 1804325, 2886920, 3608650, 5773840, 7217300, 14434600, 28869200]

約数ペア:

[(1, 28869200), (2, 14434600), (4, 7217300), (5, 5773840), (8, 3608650), (10, 2886920), (16, 1804325), (20, 1443460), (25, 1154768), (40, 721730), (50, 577384), (80, 360865), (100, 288692), (200, 144346), (400, 72173)]