205497900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{228331}}^1$

素因数の和:228351

約数の個数: 54

約数和(自身を含む): 644124572

約数和(自身を除く): 438626672

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, 228331, 456662, 684993, 913324, 1141655, 1369986, 2054979, 2283310, 2739972, 3424965, 4109958, 4566620, 5708275, 6849930, 8219916, 10274895, 11416550, 13699860, 17124825, 20549790, 22833100, 34249650, 41099580, 51374475, 68499300, 102748950, 205497900]

約数ペア:

[(1, 205497900), (2, 102748950), (3, 68499300), (4, 51374475), (5, 41099580), (6, 34249650), (9, 22833100), (10, 20549790), (12, 17124825), (15, 13699860), (18, 11416550), (20, 10274895), (25, 8219916), (30, 6849930), (36, 5708275), (45, 4566620), (50, 4109958), (60, 3424965), (75, 2739972), (90, 2283310), (100, 2054979), (150, 1369986), (180, 1141655), (225, 913324), (300, 684993), (450, 456662), (900, 228331)]