428909400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1258

約数の個数: 144

約数和(自身を含む): 1447898400

約数和(自身を除く): 1018989000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 239, 300, 360, 450, 478, 600, 717, 900, 956, 997, 1195, 1434, 1800, 1912, 1994, 2151, 2390, 2868, 2991, 3585, 3988, 4302, 4780, 4985, 5736, 5975, 5982, 7170, 7976, 8604, 8973, 9560, 9970, 10755, 11950, 11964, 14340, 14955, 17208, 17925, 17946, 19940, 21510, 23900, 23928, 24925, 28680, 29910, 35850, 35892, 39880, 43020, 44865, 47800, 49850, 53775, 59820, 71700, 71784, 74775, 86040, 89730, 99700, 107550, 119640, 143400, 149550, 179460, 199400, 215100, 224325, 238283, 299100, 358920, 430200, 448650, 476566, 598200, 714849, 897300, 953132, 1191415, 1429698, 1794600, 1906264, 2144547, 2382830, 2859396, 3574245, 4289094, 4765660, 5718792, 5957075, 7148490, 8578188, 9531320, 10722735, 11914150, 14296980, 17156376, 17871225, 21445470, 23828300, 28593960, 35742450, 42890940, 47656600, 53613675, 71484900, 85781880, 107227350, 142969800, 214454700, 428909400]

約数ペア:

[(1, 428909400), (2, 214454700), (3, 142969800), (4, 107227350), (5, 85781880), (6, 71484900), (8, 53613675), (9, 47656600), (10, 42890940), (12, 35742450), (15, 28593960), (18, 23828300), (20, 21445470), (24, 17871225), (25, 17156376), (30, 14296980), (36, 11914150), (40, 10722735), (45, 9531320), (50, 8578188), (60, 7148490), (72, 5957075), (75, 5718792), (90, 4765660), (100, 4289094), (120, 3574245), (150, 2859396), (180, 2382830), (200, 2144547), (225, 1906264), (239, 1794600), (300, 1429698), (360, 1191415), (450, 953132), (478, 897300), (600, 714849), (717, 598200), (900, 476566), (956, 448650), (997, 430200), (1195, 358920), (1434, 299100), (1800, 238283), (1912, 224325), (1994, 215100), (2151, 199400), (2390, 179460), (2868, 149550), (2991, 143400), (3585, 119640), (3988, 107550), (4302, 99700), (4780, 89730), (4985, 86040), (5736, 74775), (5975, 71784), (5982, 71700), (7170, 59820), (7976, 53775), (8604, 49850), (8973, 47800), (9560, 44865), (9970, 43020), (10755, 39880), (11950, 35892), (11964, 35850), (14340, 29910), (14955, 28680), (17208, 24925), (17925, 23928), (17946, 23900), (19940, 21510)]