1900385564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{4507}}^1$

素因数の和:4603

約数の個数: 72

約数和(自身を含む): 4262332032

約数和(自身を除く): 2361946468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1369, 1628, 2738, 2849, 4507, 5476, 5698, 9014, 9583, 11396, 15059, 18028, 19166, 30118, 31549, 38332, 49577, 60236, 63098, 99154, 105413, 126196, 166759, 198308, 210826, 333518, 347039, 421652, 667036, 694078, 1167313, 1388156, 1834349, 2334626, 3668698, 4669252, 6170083, 7337396, 12340166, 12840443, 24680332, 25680886, 43190581, 51361772, 67870913, 86381162, 135741826, 172762324, 271483652, 475096391, 950192782, 1900385564]

約数ペア:

[(1, 1900385564), (2, 950192782), (4, 475096391), (7, 271483652), (11, 172762324), (14, 135741826), (22, 86381162), (28, 67870913), (37, 51361772), (44, 43190581), (74, 25680886), (77, 24680332), (148, 12840443), (154, 12340166), (259, 7337396), (308, 6170083), (407, 4669252), (518, 3668698), (814, 2334626), (1036, 1834349), (1369, 1388156), (1628, 1167313), (2738, 694078), (2849, 667036), (4507, 421652), (5476, 347039), (5698, 333518), (9014, 210826), (9583, 198308), (11396, 166759), (15059, 126196), (18028, 105413), (19166, 99154), (30118, 63098), (31549, 60236), (38332, 49577)]