28701900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31891}}^1$

素因数の和:31911

約数の個数: 54

約数和(自身を含む): 89967332

約数和(自身を除く): 61265432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 31891, 63782, 95673, 127564, 159455, 191346, 287019, 318910, 382692, 478365, 574038, 637820, 797275, 956730, 1148076, 1435095, 1594550, 1913460, 2391825, 2870190, 3189100, 4783650, 5740380, 7175475, 9567300, 14350950, 28701900]

約数ペア:

[(1, 28701900), (2, 14350950), (3, 9567300), (4, 7175475), (5, 5740380), (6, 4783650), (9, 3189100), (10, 2870190), (12, 2391825), (15, 1913460), (18, 1594550), (20, 1435095), (25, 1148076), (30, 956730), (36, 797275), (45, 637820), (50, 574038), (60, 478365), (75, 382692), (90, 318910), (100, 287019), (150, 191346), (180, 159455), (225, 127564), (300, 95673), (450, 63782), (900, 31891)]