19850400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{919}}^1$

素因数の和:948

約数の個数: 144

約数和(自身を含む): 71870400

約数和(自身を除く): 52020000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 919, 1080, 1200, 1350, 1440, 1800, 1838, 2160, 2400, 2700, 2757, 3600, 3676, 4320, 4595, 5400, 5514, 7200, 7352, 8271, 9190, 10800, 11028, 13785, 14704, 16542, 18380, 21600, 22056, 22975, 24813, 27570, 29408, 33084, 36760, 41355, 44112, 45950, 49626, 55140, 66168, 68925, 73520, 82710, 88224, 91900, 99252, 110280, 124065, 132336, 137850, 147040, 165420, 183800, 198504, 206775, 220560, 248130, 264672, 275700, 330840, 367600, 397008, 413550, 441120, 496260, 551400, 620325, 661680, 735200, 794016, 827100, 992520, 1102800, 1240650, 1323360, 1654200, 1985040, 2205600, 2481300, 3308400, 3970080, 4962600, 6616800, 9925200, 19850400]

約数ペア:

[(1, 19850400), (2, 9925200), (3, 6616800), (4, 4962600), (5, 3970080), (6, 3308400), (8, 2481300), (9, 2205600), (10, 1985040), (12, 1654200), (15, 1323360), (16, 1240650), (18, 1102800), (20, 992520), (24, 827100), (25, 794016), (27, 735200), (30, 661680), (32, 620325), (36, 551400), (40, 496260), (45, 441120), (48, 413550), (50, 397008), (54, 367600), (60, 330840), (72, 275700), (75, 264672), (80, 248130), (90, 220560), (96, 206775), (100, 198504), (108, 183800), (120, 165420), (135, 147040), (144, 137850), (150, 132336), (160, 124065), (180, 110280), (200, 99252), (216, 91900), (225, 88224), (240, 82710), (270, 73520), (288, 68925), (300, 66168), (360, 55140), (400, 49626), (432, 45950), (450, 44112), (480, 41355), (540, 36760), (600, 33084), (675, 29408), (720, 27570), (800, 24813), (864, 22975), (900, 22056), (919, 21600), (1080, 18380), (1200, 16542), (1350, 14704), (1440, 13785), (1800, 11028), (1838, 10800), (2160, 9190), (2400, 8271), (2700, 7352), (2757, 7200), (3600, 5514), (3676, 5400), (4320, 4595)]