1640287550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1194

約数の個数: 96

約数和(自身を含む): 3503775744

約数和(自身を除く): 1863488194

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 127, 230, 253, 254, 275, 506, 550, 575, 635, 1021, 1150, 1265, 1270, 1397, 2042, 2530, 2794, 2921, 3175, 5105, 5842, 6325, 6350, 6985, 10210, 11231, 12650, 13970, 14605, 22462, 23483, 25525, 29210, 32131, 34925, 46966, 51050, 56155, 64262, 69850, 73025, 112310, 117415, 129667, 146050, 160655, 234830, 258313, 259334, 280775, 321310, 516626, 561550, 587075, 648335, 803275, 1174150, 1291565, 1296670, 1426337, 1606550, 2583130, 2852674, 2982341, 3241675, 5964682, 6457825, 6483350, 7131685, 12915650, 14263370, 14911705, 29823410, 32805751, 35658425, 65611502, 71316850, 74558525, 149117050, 164028755, 328057510, 820143775, 1640287550]

約数ペア:

[(1, 1640287550), (2, 820143775), (5, 328057510), (10, 164028755), (11, 149117050), (22, 74558525), (23, 71316850), (25, 65611502), (46, 35658425), (50, 32805751), (55, 29823410), (110, 14911705), (115, 14263370), (127, 12915650), (230, 7131685), (253, 6483350), (254, 6457825), (275, 5964682), (506, 3241675), (550, 2982341), (575, 2852674), (635, 2583130), (1021, 1606550), (1150, 1426337), (1265, 1296670), (1270, 1291565), (1397, 1174150), (2042, 803275), (2530, 648335), (2794, 587075), (2921, 561550), (3175, 516626), (5105, 321310), (5842, 280775), (6325, 259334), (6350, 258313), (6985, 234830), (10210, 160655), (11231, 146050), (12650, 129667), (13970, 117415), (14605, 112310), (22462, 73025), (23483, 69850), (25525, 64262), (29210, 56155), (32131, 51050), (34925, 46966)]