201756820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4871}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 450172800

約数和(自身を除く): 248415980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 4871, 8284, 9742, 10355, 19484, 20710, 24355, 41420, 48710, 92549, 97420, 185098, 370196, 462745, 530939, 925490, 1061878, 1850980, 2123756, 2654695, 5309390, 10087841, 10618780, 20175682, 40351364, 50439205, 100878410, 201756820]

約数ペア:

[(1, 201756820), (2, 100878410), (4, 50439205), (5, 40351364), (10, 20175682), (19, 10618780), (20, 10087841), (38, 5309390), (76, 2654695), (95, 2123756), (109, 1850980), (190, 1061878), (218, 925490), (380, 530939), (436, 462745), (545, 370196), (1090, 185098), (2071, 97420), (2180, 92549), (4142, 48710), (4871, 41420), (8284, 24355), (9742, 20710), (10355, 19484)]