256597500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{34213}}^1$

素因数の和:34240

約数の個数: 60

約数和(自身を含む): 748191752

約数和(自身を除く): 491594252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 34213, 68426, 102639, 136852, 171065, 205278, 342130, 410556, 513195, 684260, 855325, 1026390, 1710650, 2052780, 2565975, 3421300, 4276625, 5131950, 8553250, 10263900, 12829875, 17106500, 21383125, 25659750, 42766250, 51319500, 64149375, 85532500, 128298750, 256597500]

約数ペア:

[(1, 256597500), (2, 128298750), (3, 85532500), (4, 64149375), (5, 51319500), (6, 42766250), (10, 25659750), (12, 21383125), (15, 17106500), (20, 12829875), (25, 10263900), (30, 8553250), (50, 5131950), (60, 4276625), (75, 3421300), (100, 2565975), (125, 2052780), (150, 1710650), (250, 1026390), (300, 855325), (375, 684260), (500, 513195), (625, 410556), (750, 342130), (1250, 205278), (1500, 171065), (1875, 136852), (2500, 102639), (3750, 68426), (7500, 34213)]