213682480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5647}}^1$

素因数の和:5714

約数の個数: 80

約数和(自身を含む): 554678784

約数和(自身を除く): 340996304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 5647, 7568, 9460, 11294, 18920, 22588, 28235, 37840, 45176, 56470, 62117, 90352, 112940, 124234, 225880, 242821, 248468, 310585, 451760, 485642, 496936, 621170, 971284, 993872, 1214105, 1242340, 1942568, 2428210, 2484680, 2671031, 3885136, 4856420, 4969360, 5342062, 9712840, 10684124, 13355155, 19425680, 21368248, 26710310, 42736496, 53420620, 106841240, 213682480]

約数ペア:

[(1, 213682480), (2, 106841240), (4, 53420620), (5, 42736496), (8, 26710310), (10, 21368248), (11, 19425680), (16, 13355155), (20, 10684124), (22, 9712840), (40, 5342062), (43, 4969360), (44, 4856420), (55, 3885136), (80, 2671031), (86, 2484680), (88, 2428210), (110, 1942568), (172, 1242340), (176, 1214105), (215, 993872), (220, 971284), (344, 621170), (430, 496936), (440, 485642), (473, 451760), (688, 310585), (860, 248468), (880, 242821), (946, 225880), (1720, 124234), (1892, 112940), (2365, 90352), (3440, 62117), (3784, 56470), (4730, 45176), (5647, 37840), (7568, 28235), (9460, 22588), (11294, 18920)]