202345990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 481075200

約数和(自身を除く): 278729210

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, 343, 346, 385, 434, 490, 539, 682, 686, 770, 865, 1078, 1085, 1211, 1519, 1705, 1715, 1730, 1903, 2170, 2387, 2422, 2695, 3038, 3410, 3430, 3773, 3806, 4774, 5363, 5390, 6055, 7546, 7595, 8477, 9515, 10633, 10726, 11935, 12110, 13321, 15190, 16709, 16954, 18865, 19030, 21266, 23870, 26642, 26815, 33418, 37541, 37730, 42385, 53165, 53630, 58993, 59339, 66605, 75082, 83545, 84770, 93247, 106330, 116963, 117986, 118678, 133210, 167090, 186494, 187705, 233926, 262787, 294965, 296695, 375410, 412951, 466235, 525574, 584815, 589930, 593390, 652729, 825902, 932470, 1169630, 1305458, 1313935, 1839509, 2064755, 2627870, 2890657, 3263645, 3679018, 4129510, 5781314, 6527290, 9197545, 14453285, 18395090, 20234599, 28906570, 40469198, 101172995, 202345990]

約数ペア:

[(1, 202345990), (2, 101172995), (5, 40469198), (7, 28906570), (10, 20234599), (11, 18395090), (14, 14453285), (22, 9197545), (31, 6527290), (35, 5781314), (49, 4129510), (55, 3679018), (62, 3263645), (70, 2890657), (77, 2627870), (98, 2064755), (110, 1839509), (154, 1313935), (155, 1305458), (173, 1169630), (217, 932470), (245, 825902), (310, 652729), (341, 593390), (343, 589930), (346, 584815), (385, 525574), (434, 466235), (490, 412951), (539, 375410), (682, 296695), (686, 294965), (770, 262787), (865, 233926), (1078, 187705), (1085, 186494), (1211, 167090), (1519, 133210), (1705, 118678), (1715, 117986), (1730, 116963), (1903, 106330), (2170, 93247), (2387, 84770), (2422, 83545), (2695, 75082), (3038, 66605), (3410, 59339), (3430, 58993), (3773, 53630), (3806, 53165), (4774, 42385), (5363, 37730), (5390, 37541), (6055, 33418), (7546, 26815), (7595, 26642), (8477, 23870), (9515, 21266), (10633, 19030), (10726, 18865), (11935, 16954), (12110, 16709), (13321, 15190)]