28937440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3691}}^1$

素因数の和:3720

約数の個数: 72

約数和(自身を含む): 79547832

約数和(自身を除く): 50610392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3691, 3920, 7382, 7840, 14764, 18455, 25837, 29528, 36910, 51674, 59056, 73820, 103348, 118112, 129185, 147640, 180859, 206696, 258370, 295280, 361718, 413392, 516740, 590560, 723436, 826784, 904295, 1033480, 1446872, 1808590, 2066960, 2893744, 3617180, 4133920, 5787488, 7234360, 14468720, 28937440]

約数ペア:

[(1, 28937440), (2, 14468720), (4, 7234360), (5, 5787488), (7, 4133920), (8, 3617180), (10, 2893744), (14, 2066960), (16, 1808590), (20, 1446872), (28, 1033480), (32, 904295), (35, 826784), (40, 723436), (49, 590560), (56, 516740), (70, 413392), (80, 361718), (98, 295280), (112, 258370), (140, 206696), (160, 180859), (196, 147640), (224, 129185), (245, 118112), (280, 103348), (392, 73820), (490, 59056), (560, 51674), (784, 36910), (980, 29528), (1120, 25837), (1568, 18455), (1960, 14764), (3691, 7840), (3920, 7382)]