77441260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 98958740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 1999, 2980, 3874, 3998, 7748, 7996, 9685, 9995, 19370, 19990, 25987, 38740, 39980, 51974, 103948, 129935, 259870, 297851, 519740, 595702, 1191404, 1489255, 2978510, 3872063, 5957020, 7744126, 15488252, 19360315, 38720630, 77441260]

約数ペア:

[(1, 77441260), (2, 38720630), (4, 19360315), (5, 15488252), (10, 7744126), (13, 5957020), (20, 3872063), (26, 2978510), (52, 1489255), (65, 1191404), (130, 595702), (149, 519740), (260, 297851), (298, 259870), (596, 129935), (745, 103948), (1490, 51974), (1937, 39980), (1999, 38740), (2980, 25987), (3874, 19990), (3998, 19370), (7748, 9995), (7996, 9685)]