28250400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 93744000

約数和(自身を除く): 65493600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 79, 80, 96, 100, 120, 149, 150, 158, 160, 200, 237, 240, 298, 300, 316, 395, 400, 447, 474, 480, 596, 600, 632, 745, 790, 800, 894, 948, 1185, 1192, 1200, 1264, 1490, 1580, 1788, 1896, 1975, 2235, 2370, 2384, 2400, 2528, 2980, 3160, 3576, 3725, 3792, 3950, 4470, 4740, 4768, 5925, 5960, 6320, 7152, 7450, 7584, 7900, 8940, 9480, 11175, 11771, 11850, 11920, 12640, 14304, 14900, 15800, 17880, 18960, 22350, 23542, 23700, 23840, 29800, 31600, 35313, 35760, 37920, 44700, 47084, 47400, 58855, 59600, 63200, 70626, 71520, 89400, 94168, 94800, 117710, 119200, 141252, 176565, 178800, 188336, 189600, 235420, 282504, 294275, 353130, 357600, 376672, 470840, 565008, 588550, 706260, 882825, 941680, 1130016, 1177100, 1412520, 1765650, 1883360, 2354200, 2825040, 3531300, 4708400, 5650080, 7062600, 9416800, 14125200, 28250400]

約数ペア:

[(1, 28250400), (2, 14125200), (3, 9416800), (4, 7062600), (5, 5650080), (6, 4708400), (8, 3531300), (10, 2825040), (12, 2354200), (15, 1883360), (16, 1765650), (20, 1412520), (24, 1177100), (25, 1130016), (30, 941680), (32, 882825), (40, 706260), (48, 588550), (50, 565008), (60, 470840), (75, 376672), (79, 357600), (80, 353130), (96, 294275), (100, 282504), (120, 235420), (149, 189600), (150, 188336), (158, 178800), (160, 176565), (200, 141252), (237, 119200), (240, 117710), (298, 94800), (300, 94168), (316, 89400), (395, 71520), (400, 70626), (447, 63200), (474, 59600), (480, 58855), (596, 47400), (600, 47084), (632, 44700), (745, 37920), (790, 35760), (800, 35313), (894, 31600), (948, 29800), (1185, 23840), (1192, 23700), (1200, 23542), (1264, 22350), (1490, 18960), (1580, 17880), (1788, 15800), (1896, 14900), (1975, 14304), (2235, 12640), (2370, 11920), (2384, 11850), (2400, 11771), (2528, 11175), (2980, 9480), (3160, 8940), (3576, 7900), (3725, 7584), (3792, 7450), (3950, 7152), (4470, 6320), (4740, 5960), (4768, 5925)]