28906570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 68553216

約数和(自身を除く): 39646646

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 49, 55, 62, 70, 77, 98, 110, 154, 155, 173, 217, 245, 310, 341, 346, 385, 434, 490, 539, 682, 770, 865, 1078, 1085, 1211, 1519, 1705, 1730, 1903, 2170, 2387, 2422, 2695, 3038, 3410, 3806, 4774, 5363, 5390, 6055, 7595, 8477, 9515, 10726, 11935, 12110, 13321, 15190, 16709, 16954, 19030, 23870, 26642, 26815, 33418, 37541, 42385, 53630, 58993, 66605, 75082, 83545, 84770, 93247, 117986, 133210, 167090, 186494, 187705, 262787, 294965, 375410, 412951, 466235, 525574, 589930, 825902, 932470, 1313935, 2064755, 2627870, 2890657, 4129510, 5781314, 14453285, 28906570]

約数ペア:

[(1, 28906570), (2, 14453285), (5, 5781314), (7, 4129510), (10, 2890657), (11, 2627870), (14, 2064755), (22, 1313935), (31, 932470), (35, 825902), (49, 589930), (55, 525574), (62, 466235), (70, 412951), (77, 375410), (98, 294965), (110, 262787), (154, 187705), (155, 186494), (173, 167090), (217, 133210), (245, 117986), (310, 93247), (341, 84770), (346, 83545), (385, 75082), (434, 66605), (490, 58993), (539, 53630), (682, 42385), (770, 37541), (865, 33418), (1078, 26815), (1085, 26642), (1211, 23870), (1519, 19030), (1705, 16954), (1730, 16709), (1903, 15190), (2170, 13321), (2387, 12110), (2422, 11935), (2695, 10726), (3038, 9515), (3410, 8477), (3806, 7595), (4774, 6055), (5363, 5390)]