29977880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 71517600

約数和(自身を除く): 41539720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 601, 860, 1160, 1202, 1247, 1720, 2404, 2494, 3005, 4808, 4988, 6010, 6235, 9976, 12020, 12470, 17429, 24040, 24940, 25843, 34858, 49880, 51686, 69716, 87145, 103372, 129215, 139432, 174290, 206744, 258430, 348580, 516860, 697160, 749447, 1033720, 1498894, 2997788, 3747235, 5995576, 7494470, 14988940, 29977880]

約数ペア:

[(1, 29977880), (2, 14988940), (4, 7494470), (5, 5995576), (8, 3747235), (10, 2997788), (20, 1498894), (29, 1033720), (40, 749447), (43, 697160), (58, 516860), (86, 348580), (116, 258430), (145, 206744), (172, 174290), (215, 139432), (232, 129215), (290, 103372), (344, 87145), (430, 69716), (580, 51686), (601, 49880), (860, 34858), (1160, 25843), (1202, 24940), (1247, 24040), (1720, 17429), (2404, 12470), (2494, 12020), (3005, 9976), (4808, 6235), (4988, 6010)]