420806240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1152

約数の個数: 96

約数和(自身を含む): 1041012000

約数和(自身を除く): 620205760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 89, 116, 145, 160, 178, 232, 290, 356, 445, 464, 580, 712, 890, 928, 1019, 1160, 1424, 1780, 2038, 2320, 2581, 2848, 3560, 4076, 4640, 5095, 5162, 7120, 8152, 10190, 10324, 12905, 14240, 16304, 20380, 20648, 25810, 29551, 32608, 40760, 41296, 51620, 59102, 81520, 82592, 90691, 103240, 118204, 147755, 163040, 181382, 206480, 236408, 295510, 362764, 412960, 453455, 472816, 591020, 725528, 906910, 945632, 1182040, 1451056, 1813820, 2364080, 2630039, 2902112, 3627640, 4728160, 5260078, 7255280, 10520156, 13150195, 14510560, 21040312, 26300390, 42080624, 52600780, 84161248, 105201560, 210403120, 420806240]

約数ペア:

[(1, 420806240), (2, 210403120), (4, 105201560), (5, 84161248), (8, 52600780), (10, 42080624), (16, 26300390), (20, 21040312), (29, 14510560), (32, 13150195), (40, 10520156), (58, 7255280), (80, 5260078), (89, 4728160), (116, 3627640), (145, 2902112), (160, 2630039), (178, 2364080), (232, 1813820), (290, 1451056), (356, 1182040), (445, 945632), (464, 906910), (580, 725528), (712, 591020), (890, 472816), (928, 453455), (1019, 412960), (1160, 362764), (1424, 295510), (1780, 236408), (2038, 206480), (2320, 181382), (2581, 163040), (2848, 147755), (3560, 118204), (4076, 103240), (4640, 90691), (5095, 82592), (5162, 81520), (7120, 59102), (8152, 51620), (10190, 41296), (10324, 40760), (12905, 32608), (14240, 29551), (16304, 25810), (20380, 20648)]