204490880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 551093760

約数和(自身を除く): 346602880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 937, 992, 1240, 1364, 1408, 1705, 1760, 1874, 1984, 2480, 2728, 3410, 3520, 3748, 3968, 4685, 4960, 5456, 6820, 7040, 7496, 9370, 9920, 10307, 10912, 13640, 14992, 18740, 19840, 20614, 21824, 27280, 29047, 29984, 37480, 41228, 43648, 51535, 54560, 58094, 59968, 74960, 82456, 103070, 109120, 116188, 119936, 145235, 149920, 164912, 206140, 218240, 232376, 290470, 299840, 319517, 329824, 412280, 464752, 580940, 599680, 639034, 659648, 824560, 929504, 1161880, 1278068, 1319296, 1597585, 1649120, 1859008, 2323760, 2556136, 3195170, 3298240, 3718016, 4647520, 5112272, 6390340, 6596480, 9295040, 10224544, 12780680, 18590080, 20449088, 25561360, 40898176, 51122720, 102245440, 204490880]

約数ペア:

[(1, 204490880), (2, 102245440), (4, 51122720), (5, 40898176), (8, 25561360), (10, 20449088), (11, 18590080), (16, 12780680), (20, 10224544), (22, 9295040), (31, 6596480), (32, 6390340), (40, 5112272), (44, 4647520), (55, 3718016), (62, 3298240), (64, 3195170), (80, 2556136), (88, 2323760), (110, 1859008), (124, 1649120), (128, 1597585), (155, 1319296), (160, 1278068), (176, 1161880), (220, 929504), (248, 824560), (310, 659648), (320, 639034), (341, 599680), (352, 580940), (440, 464752), (496, 412280), (620, 329824), (640, 319517), (682, 299840), (704, 290470), (880, 232376), (937, 218240), (992, 206140), (1240, 164912), (1364, 149920), (1408, 145235), (1705, 119936), (1760, 116188), (1874, 109120), (1984, 103070), (2480, 82456), (2728, 74960), (3410, 59968), (3520, 58094), (3748, 54560), (3968, 51535), (4685, 43648), (4960, 41228), (5456, 37480), (6820, 29984), (7040, 29047), (7496, 27280), (9370, 21824), (9920, 20614), (10307, 19840), (10912, 18740), (13640, 14992)]