438458240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1112

約数の個数: 128

約数和(自身を含む): 1163363040

約数和(自身を除く): 724904800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 160, 176, 220, 244, 305, 320, 352, 440, 488, 610, 640, 671, 704, 880, 976, 1021, 1220, 1342, 1408, 1760, 1952, 2042, 2440, 2684, 3355, 3520, 3904, 4084, 4880, 5105, 5368, 6710, 7040, 7808, 8168, 9760, 10210, 10736, 11231, 13420, 16336, 19520, 20420, 21472, 22462, 26840, 32672, 39040, 40840, 42944, 44924, 53680, 56155, 62281, 65344, 81680, 85888, 89848, 107360, 112310, 124562, 130688, 163360, 179696, 214720, 224620, 249124, 311405, 326720, 359392, 429440, 449240, 498248, 622810, 653440, 685091, 718784, 898480, 996496, 1245620, 1370182, 1437568, 1796960, 1992992, 2491240, 2740364, 3425455, 3593920, 3985984, 4982480, 5480728, 6850910, 7187840, 7971968, 9964960, 10961456, 13701820, 19929920, 21922912, 27403640, 39859840, 43845824, 54807280, 87691648, 109614560, 219229120, 438458240]

約数ペア:

[(1, 438458240), (2, 219229120), (4, 109614560), (5, 87691648), (8, 54807280), (10, 43845824), (11, 39859840), (16, 27403640), (20, 21922912), (22, 19929920), (32, 13701820), (40, 10961456), (44, 9964960), (55, 7971968), (61, 7187840), (64, 6850910), (80, 5480728), (88, 4982480), (110, 3985984), (122, 3593920), (128, 3425455), (160, 2740364), (176, 2491240), (220, 1992992), (244, 1796960), (305, 1437568), (320, 1370182), (352, 1245620), (440, 996496), (488, 898480), (610, 718784), (640, 685091), (671, 653440), (704, 622810), (880, 498248), (976, 449240), (1021, 429440), (1220, 359392), (1342, 326720), (1408, 311405), (1760, 249124), (1952, 224620), (2042, 214720), (2440, 179696), (2684, 163360), (3355, 130688), (3520, 124562), (3904, 112310), (4084, 107360), (4880, 89848), (5105, 85888), (5368, 81680), (6710, 65344), (7040, 62281), (7808, 56155), (8168, 53680), (9760, 44924), (10210, 42944), (10736, 40840), (11231, 39040), (13420, 32672), (16336, 26840), (19520, 22462), (20420, 21472)]