21922500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 66478720

約数和(自身を除く): 44556220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 79, 100, 111, 125, 148, 150, 158, 185, 222, 237, 250, 300, 316, 370, 375, 395, 444, 474, 500, 555, 625, 740, 750, 790, 925, 948, 1110, 1185, 1250, 1500, 1580, 1850, 1875, 1975, 2220, 2370, 2500, 2775, 2923, 3700, 3750, 3950, 4625, 4740, 5550, 5846, 5925, 7500, 7900, 8769, 9250, 9875, 11100, 11692, 11850, 13875, 14615, 17538, 18500, 19750, 23125, 23700, 27750, 29230, 29625, 35076, 39500, 43845, 46250, 49375, 55500, 58460, 59250, 69375, 73075, 87690, 92500, 98750, 118500, 138750, 146150, 148125, 175380, 197500, 219225, 277500, 292300, 296250, 365375, 438450, 592500, 730750, 876900, 1096125, 1461500, 1826875, 2192250, 3653750, 4384500, 5480625, 7307500, 10961250, 21922500]

約数ペア:

[(1, 21922500), (2, 10961250), (3, 7307500), (4, 5480625), (5, 4384500), (6, 3653750), (10, 2192250), (12, 1826875), (15, 1461500), (20, 1096125), (25, 876900), (30, 730750), (37, 592500), (50, 438450), (60, 365375), (74, 296250), (75, 292300), (79, 277500), (100, 219225), (111, 197500), (125, 175380), (148, 148125), (150, 146150), (158, 138750), (185, 118500), (222, 98750), (237, 92500), (250, 87690), (300, 73075), (316, 69375), (370, 59250), (375, 58460), (395, 55500), (444, 49375), (474, 46250), (500, 43845), (555, 39500), (625, 35076), (740, 29625), (750, 29230), (790, 27750), (925, 23700), (948, 23125), (1110, 19750), (1185, 18500), (1250, 17538), (1500, 14615), (1580, 13875), (1850, 11850), (1875, 11692), (1975, 11100), (2220, 9875), (2370, 9250), (2500, 8769), (2775, 7900), (2923, 7500), (3700, 5925), (3750, 5846), (3950, 5550), (4625, 4740)]