207908450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 411804000

約数和(自身を除く): 203895550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 445, 475, 890, 950, 1691, 2225, 2459, 3382, 4450, 4918, 8455, 12295, 16910, 24590, 42275, 46721, 61475, 84550, 93442, 122950, 218851, 233605, 437702, 467210, 1094255, 1168025, 2188510, 2336050, 4158169, 5471275, 8316338, 10942550, 20790845, 41581690, 103954225, 207908450]

約数ペア:

[(1, 207908450), (2, 103954225), (5, 41581690), (10, 20790845), (19, 10942550), (25, 8316338), (38, 5471275), (50, 4158169), (89, 2336050), (95, 2188510), (178, 1168025), (190, 1094255), (445, 467210), (475, 437702), (890, 233605), (950, 218851), (1691, 122950), (2225, 93442), (2459, 84550), (3382, 61475), (4450, 46721), (4918, 42275), (8455, 24590), (12295, 16910)]