1261069150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 2714112000

約数和(自身を除く): 1453042850

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 37, 50, 55, 62, 74, 110, 155, 185, 275, 310, 341, 370, 407, 550, 682, 775, 814, 925, 1147, 1550, 1705, 1850, 1999, 2035, 2294, 3410, 3998, 4070, 5735, 8525, 9995, 10175, 11470, 12617, 17050, 19990, 20350, 21989, 25234, 28675, 43978, 49975, 57350, 61969, 63085, 73963, 99950, 109945, 123938, 126170, 147926, 219890, 309845, 315425, 369815, 549725, 619690, 630850, 681659, 739630, 813593, 1099450, 1363318, 1549225, 1627186, 1849075, 2292853, 3098450, 3408295, 3698150, 4067965, 4585706, 6816590, 8135930, 11464265, 17041475, 20339825, 22928530, 25221383, 34082950, 40679650, 50442766, 57321325, 114642650, 126106915, 252213830, 630534575, 1261069150]

約数ペア:

[(1, 1261069150), (2, 630534575), (5, 252213830), (10, 126106915), (11, 114642650), (22, 57321325), (25, 50442766), (31, 40679650), (37, 34082950), (50, 25221383), (55, 22928530), (62, 20339825), (74, 17041475), (110, 11464265), (155, 8135930), (185, 6816590), (275, 4585706), (310, 4067965), (341, 3698150), (370, 3408295), (407, 3098450), (550, 2292853), (682, 1849075), (775, 1627186), (814, 1549225), (925, 1363318), (1147, 1099450), (1550, 813593), (1705, 739630), (1850, 681659), (1999, 630850), (2035, 619690), (2294, 549725), (3410, 369815), (3998, 315425), (4070, 309845), (5735, 219890), (8525, 147926), (9995, 126170), (10175, 123938), (11470, 109945), (12617, 99950), (17050, 73963), (19990, 63085), (20350, 61969), (21989, 57350), (25234, 49975), (28675, 43978)]