81998950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 177176160

約数和(自身を除く): 95177210

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 53, 55, 58, 97, 106, 110, 145, 194, 265, 275, 290, 319, 485, 530, 550, 583, 638, 725, 970, 1067, 1166, 1325, 1450, 1537, 1595, 2134, 2425, 2650, 2813, 2915, 3074, 3190, 4850, 5141, 5335, 5626, 5830, 7685, 7975, 10282, 10670, 14065, 14575, 15370, 15950, 16907, 25705, 26675, 28130, 29150, 30943, 33814, 38425, 51410, 53350, 56551, 61886, 70325, 76850, 84535, 113102, 128525, 140650, 149089, 154715, 169070, 257050, 282755, 298178, 309430, 422675, 565510, 745445, 773575, 845350, 1413775, 1490890, 1547150, 1639979, 2827550, 3279958, 3727225, 7454450, 8199895, 16399790, 40999475, 81998950]

約数ペア:

[(1, 81998950), (2, 40999475), (5, 16399790), (10, 8199895), (11, 7454450), (22, 3727225), (25, 3279958), (29, 2827550), (50, 1639979), (53, 1547150), (55, 1490890), (58, 1413775), (97, 845350), (106, 773575), (110, 745445), (145, 565510), (194, 422675), (265, 309430), (275, 298178), (290, 282755), (319, 257050), (485, 169070), (530, 154715), (550, 149089), (583, 140650), (638, 128525), (725, 113102), (970, 84535), (1067, 76850), (1166, 70325), (1325, 61886), (1450, 56551), (1537, 53350), (1595, 51410), (2134, 38425), (2425, 33814), (2650, 30943), (2813, 29150), (2915, 28130), (3074, 26675), (3190, 25705), (4850, 16907), (5141, 15950), (5335, 15370), (5626, 14575), (5830, 14065), (7685, 10670), (7975, 10282)]