81572150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 169702680

約数和(自身を除く): 88130530

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 97, 110, 121, 139, 194, 242, 275, 278, 485, 550, 605, 695, 970, 1067, 1210, 1390, 1529, 2134, 2425, 3025, 3058, 3475, 4850, 5335, 6050, 6950, 7645, 10670, 11737, 13483, 15290, 16819, 23474, 26675, 26966, 33638, 38225, 53350, 58685, 67415, 76450, 84095, 117370, 134830, 148313, 168190, 293425, 296626, 337075, 420475, 586850, 674150, 741565, 840950, 1483130, 1631443, 3262886, 3707825, 7415650, 8157215, 16314430, 40786075, 81572150]

約数ペア:

[(1, 81572150), (2, 40786075), (5, 16314430), (10, 8157215), (11, 7415650), (22, 3707825), (25, 3262886), (50, 1631443), (55, 1483130), (97, 840950), (110, 741565), (121, 674150), (139, 586850), (194, 420475), (242, 337075), (275, 296626), (278, 293425), (485, 168190), (550, 148313), (605, 134830), (695, 117370), (970, 84095), (1067, 76450), (1210, 67415), (1390, 58685), (1529, 53350), (2134, 38225), (2425, 33638), (3025, 26966), (3058, 26675), (3475, 23474), (4850, 16819), (5335, 15290), (6050, 13483), (6950, 11737), (7645, 10670)]