258543640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3121}}^1$

素因数の和:3260

約数の個数: 64

約数和(自身を含む): 618156000

約数和(自身を除く): 359612360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 3121, 4142, 4360, 6242, 8284, 10355, 12484, 15605, 16568, 20710, 24968, 31210, 41420, 59299, 62420, 82840, 118598, 124840, 237196, 296495, 340189, 474392, 592990, 680378, 1185980, 1360756, 1700945, 2371960, 2721512, 3401890, 6463591, 6803780, 12927182, 13607560, 25854364, 32317955, 51708728, 64635910, 129271820, 258543640]

約数ペア:

[(1, 258543640), (2, 129271820), (4, 64635910), (5, 51708728), (8, 32317955), (10, 25854364), (19, 13607560), (20, 12927182), (38, 6803780), (40, 6463591), (76, 3401890), (95, 2721512), (109, 2371960), (152, 1700945), (190, 1360756), (218, 1185980), (380, 680378), (436, 592990), (545, 474392), (760, 340189), (872, 296495), (1090, 237196), (2071, 124840), (2180, 118598), (3121, 82840), (4142, 62420), (4360, 59299), (6242, 41420), (8284, 31210), (10355, 24968), (12484, 20710), (15605, 16568)]