4439320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 10692000

約数和(自身を除く): 6252680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 89, 116, 145, 172, 178, 215, 232, 290, 344, 356, 430, 445, 580, 712, 860, 890, 1160, 1247, 1720, 1780, 2494, 2581, 3560, 3827, 4988, 5162, 6235, 7654, 9976, 10324, 12470, 12905, 15308, 19135, 20648, 24940, 25810, 30616, 38270, 49880, 51620, 76540, 103240, 110983, 153080, 221966, 443932, 554915, 887864, 1109830, 2219660, 4439320]

約数ペア:

[(1, 4439320), (2, 2219660), (4, 1109830), (5, 887864), (8, 554915), (10, 443932), (20, 221966), (29, 153080), (40, 110983), (43, 103240), (58, 76540), (86, 51620), (89, 49880), (116, 38270), (145, 30616), (172, 25810), (178, 24940), (215, 20648), (232, 19135), (290, 15308), (344, 12905), (356, 12470), (430, 10324), (445, 9976), (580, 7654), (712, 6235), (860, 5162), (890, 4988), (1160, 3827), (1247, 3560), (1720, 2581), (1780, 2494)]