256220940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251197}}^1$

素因数の和:251226

約数の個数: 48

約数和(自身を含む): 759622752

約数和(自身を除く): 503401812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 251197, 502394, 753591, 1004788, 1255985, 1507182, 2511970, 3014364, 3767955, 4270349, 5023940, 7535910, 8540698, 12811047, 15071820, 17081396, 21351745, 25622094, 42703490, 51244188, 64055235, 85406980, 128110470, 256220940]

約数ペア:

[(1, 256220940), (2, 128110470), (3, 85406980), (4, 64055235), (5, 51244188), (6, 42703490), (10, 25622094), (12, 21351745), (15, 17081396), (17, 15071820), (20, 12811047), (30, 8540698), (34, 7535910), (51, 5023940), (60, 4270349), (68, 3767955), (85, 3014364), (102, 2511970), (170, 1507182), (204, 1255985), (255, 1004788), (340, 753591), (510, 502394), (1020, 251197)]