2103070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 4082400

約数和(自身を除く): 1979330

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 139, 170, 178, 278, 445, 695, 890, 1390, 1513, 2363, 3026, 4726, 7565, 11815, 12371, 15130, 23630, 24742, 61855, 123710, 210307, 420614, 1051535, 2103070]

約数ペア:

[(1, 2103070), (2, 1051535), (5, 420614), (10, 210307), (17, 123710), (34, 61855), (85, 24742), (89, 23630), (139, 15130), (170, 12371), (178, 11815), (278, 7565), (445, 4726), (695, 3026), (890, 2363), (1390, 1513)]