28502210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30595390

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 110, 149, 185, 235, 298, 370, 407, 470, 517, 745, 814, 1034, 1490, 1639, 1739, 2035, 2585, 3278, 3478, 4070, 5170, 5513, 7003, 8195, 8695, 11026, 14006, 16390, 17390, 19129, 27565, 35015, 38258, 55130, 60643, 70030, 77033, 95645, 121286, 154066, 191290, 259111, 303215, 385165, 518222, 606430, 770330, 1295555, 2591110, 2850221, 5700442, 14251105, 28502210]

約数ペア:

[(1, 28502210), (2, 14251105), (5, 5700442), (10, 2850221), (11, 2591110), (22, 1295555), (37, 770330), (47, 606430), (55, 518222), (74, 385165), (94, 303215), (110, 259111), (149, 191290), (185, 154066), (235, 121286), (298, 95645), (370, 77033), (407, 70030), (470, 60643), (517, 55130), (745, 38258), (814, 35015), (1034, 27565), (1490, 19129), (1639, 17390), (1739, 16390), (2035, 14006), (2585, 11026), (3278, 8695), (3478, 8195), (4070, 7003), (5170, 5513)]