23497780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 27728780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 307, 356, 430, 445, 614, 860, 890, 1228, 1535, 1780, 3070, 3827, 6140, 7654, 13201, 15308, 19135, 26402, 27323, 38270, 52804, 54646, 66005, 76540, 109292, 132010, 136615, 264020, 273230, 546460, 1174889, 2349778, 4699556, 5874445, 11748890, 23497780]

約数ペア:

[(1, 23497780), (2, 11748890), (4, 5874445), (5, 4699556), (10, 2349778), (20, 1174889), (43, 546460), (86, 273230), (89, 264020), (172, 136615), (178, 132010), (215, 109292), (307, 76540), (356, 66005), (430, 54646), (445, 52804), (614, 38270), (860, 27323), (890, 26402), (1228, 19135), (1535, 15308), (1780, 13201), (3070, 7654), (3827, 6140)]