457349720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 1116244800

約数和(自身を除く): 658895080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 53, 58, 86, 106, 116, 145, 172, 173, 212, 215, 232, 265, 290, 344, 346, 424, 430, 530, 580, 692, 860, 865, 1060, 1160, 1247, 1384, 1537, 1720, 1730, 2120, 2279, 2494, 3074, 3460, 4558, 4988, 5017, 6148, 6235, 6920, 7439, 7685, 9116, 9169, 9976, 10034, 11395, 12296, 12470, 14878, 15370, 18232, 18338, 20068, 22790, 24940, 25085, 29756, 30740, 36676, 37195, 40136, 45580, 45845, 49880, 50170, 59512, 61480, 66091, 73352, 74390, 91160, 91690, 100340, 132182, 148780, 183380, 200680, 215731, 264364, 265901, 297560, 330455, 366760, 394267, 431462, 528728, 531802, 660910, 788534, 862924, 1063604, 1078655, 1321820, 1329505, 1577068, 1725848, 1971335, 2127208, 2157310, 2643640, 2659010, 3154136, 3942670, 4314620, 5318020, 7885340, 8629240, 10636040, 11433743, 15770680, 22867486, 45734972, 57168715, 91469944, 114337430, 228674860, 457349720]

約数ペア:

[(1, 457349720), (2, 228674860), (4, 114337430), (5, 91469944), (8, 57168715), (10, 45734972), (20, 22867486), (29, 15770680), (40, 11433743), (43, 10636040), (53, 8629240), (58, 7885340), (86, 5318020), (106, 4314620), (116, 3942670), (145, 3154136), (172, 2659010), (173, 2643640), (212, 2157310), (215, 2127208), (232, 1971335), (265, 1725848), (290, 1577068), (344, 1329505), (346, 1321820), (424, 1078655), (430, 1063604), (530, 862924), (580, 788534), (692, 660910), (860, 531802), (865, 528728), (1060, 431462), (1160, 394267), (1247, 366760), (1384, 330455), (1537, 297560), (1720, 265901), (1730, 264364), (2120, 215731), (2279, 200680), (2494, 183380), (3074, 148780), (3460, 132182), (4558, 100340), (4988, 91690), (5017, 91160), (6148, 74390), (6235, 73352), (6920, 66091), (7439, 61480), (7685, 59512), (9116, 50170), (9169, 49880), (9976, 45845), (10034, 45580), (11395, 40136), (12296, 37195), (12470, 36676), (14878, 30740), (15370, 29756), (18232, 25085), (18338, 24940), (20068, 22790)]