49719040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 141281280

約数和(自身を除く): 91562240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 179, 217, 224, 248, 256, 280, 310, 320, 358, 434, 448, 496, 560, 620, 640, 716, 868, 895, 896, 992, 1085, 1120, 1240, 1253, 1280, 1432, 1736, 1790, 1792, 1984, 2170, 2240, 2480, 2506, 2864, 3472, 3580, 3968, 4340, 4480, 4960, 5012, 5549, 5728, 6265, 6944, 7160, 7936, 8680, 8960, 9920, 10024, 11098, 11456, 12530, 13888, 14320, 17360, 19840, 20048, 22196, 22912, 25060, 27745, 27776, 28640, 34720, 38843, 39680, 40096, 44392, 45824, 50120, 55490, 55552, 57280, 69440, 77686, 80192, 88784, 100240, 110980, 114560, 138880, 155372, 160384, 177568, 194215, 200480, 221960, 229120, 277760, 310744, 320768, 355136, 388430, 400960, 443920, 621488, 710272, 776860, 801920, 887840, 1242976, 1420544, 1553720, 1603840, 1775680, 2485952, 3107440, 3551360, 4971904, 6214880, 7102720, 9943808, 12429760, 24859520, 49719040]

約数ペア:

[(1, 49719040), (2, 24859520), (4, 12429760), (5, 9943808), (7, 7102720), (8, 6214880), (10, 4971904), (14, 3551360), (16, 3107440), (20, 2485952), (28, 1775680), (31, 1603840), (32, 1553720), (35, 1420544), (40, 1242976), (56, 887840), (62, 801920), (64, 776860), (70, 710272), (80, 621488), (112, 443920), (124, 400960), (128, 388430), (140, 355136), (155, 320768), (160, 310744), (179, 277760), (217, 229120), (224, 221960), (248, 200480), (256, 194215), (280, 177568), (310, 160384), (320, 155372), (358, 138880), (434, 114560), (448, 110980), (496, 100240), (560, 88784), (620, 80192), (640, 77686), (716, 69440), (868, 57280), (895, 55552), (896, 55490), (992, 50120), (1085, 45824), (1120, 44392), (1240, 40096), (1253, 39680), (1280, 38843), (1432, 34720), (1736, 28640), (1790, 27776), (1792, 27745), (1984, 25060), (2170, 22912), (2240, 22196), (2480, 20048), (2506, 19840), (2864, 17360), (3472, 14320), (3580, 13888), (3968, 12530), (4340, 11456), (4480, 11098), (4960, 10024), (5012, 9920), (5549, 8960), (5728, 8680), (6265, 7936), (6944, 7160)]