279551480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537599}}^1$

素因数の和:537623

約数の個数: 32

約数和(自身を含む): 677376000

約数和(自身を除く): 397824520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 537599, 1075198, 2150396, 2687995, 4300792, 5375990, 6988787, 10751980, 13977574, 21503960, 27955148, 34943935, 55910296, 69887870, 139775740, 279551480]

約数ペア:

[(1, 279551480), (2, 139775740), (4, 69887870), (5, 55910296), (8, 34943935), (10, 27955148), (13, 21503960), (20, 13977574), (26, 10751980), (40, 6988787), (52, 5375990), (65, 4300792), (104, 2687995), (130, 2150396), (260, 1075198), (520, 537599)]