278134220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{152821}}^1$

素因数の和:152850

約数の個数: 48

約数和(自身を含む): 718874688

約数和(自身を除く): 440740468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 152821, 305642, 611284, 764105, 1069747, 1528210, 1986673, 2139494, 3056420, 3973346, 4278988, 5348735, 7946692, 9933365, 10697470, 13906711, 19866730, 21394940, 27813422, 39733460, 55626844, 69533555, 139067110, 278134220]

約数ペア:

[(1, 278134220), (2, 139067110), (4, 69533555), (5, 55626844), (7, 39733460), (10, 27813422), (13, 21394940), (14, 19866730), (20, 13906711), (26, 10697470), (28, 9933365), (35, 7946692), (52, 5348735), (65, 4278988), (70, 3973346), (91, 3056420), (130, 2139494), (140, 1986673), (182, 1528210), (260, 1069747), (364, 764105), (455, 611284), (910, 305642), (1820, 152821)]