30495850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 71522208

約数和(自身を除く): 41026358

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 89, 110, 154, 175, 178, 275, 350, 385, 445, 550, 623, 770, 890, 979, 1246, 1925, 1958, 2225, 3115, 3850, 4450, 4895, 6230, 6853, 7921, 9790, 13706, 15575, 15842, 24475, 31150, 34265, 39605, 48950, 55447, 68530, 79210, 87131, 110894, 171325, 174262, 198025, 277235, 342650, 396050, 435655, 554470, 609917, 871310, 1219834, 1386175, 2178275, 2772350, 3049585, 4356550, 6099170, 15247925, 30495850]

約数ペア:

[(1, 30495850), (2, 15247925), (5, 6099170), (7, 4356550), (10, 3049585), (11, 2772350), (14, 2178275), (22, 1386175), (25, 1219834), (35, 871310), (50, 609917), (55, 554470), (70, 435655), (77, 396050), (89, 342650), (110, 277235), (154, 198025), (175, 174262), (178, 171325), (275, 110894), (350, 87131), (385, 79210), (445, 68530), (550, 55447), (623, 48950), (770, 39605), (890, 34265), (979, 31150), (1246, 24475), (1925, 15842), (1958, 15575), (2225, 13706), (3115, 9790), (3850, 7921), (4450, 6853), (4895, 6230)]