7936040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4049}}^1$

素因数の和:4074

約数の個数: 48

約数和(自身を含む): 20776500

約数和(自身を除く): 12840460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4049, 8098, 16196, 20245, 28343, 32392, 40490, 56686, 80980, 113372, 141715, 161960, 198401, 226744, 283430, 396802, 566860, 793604, 992005, 1133720, 1587208, 1984010, 3968020, 7936040]

約数ペア:

[(1, 7936040), (2, 3968020), (4, 1984010), (5, 1587208), (7, 1133720), (8, 992005), (10, 793604), (14, 566860), (20, 396802), (28, 283430), (35, 226744), (40, 198401), (49, 161960), (56, 141715), (70, 113372), (98, 80980), (140, 56686), (196, 40490), (245, 32392), (280, 28343), (392, 20245), (490, 16196), (980, 8098), (1960, 4049)]