398474080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 1066867200

約数和(自身を除く): 668393120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 41, 46, 76, 80, 82, 92, 95, 115, 139, 152, 160, 164, 184, 190, 205, 230, 278, 304, 328, 368, 380, 410, 437, 460, 556, 608, 656, 695, 736, 760, 779, 820, 874, 920, 943, 1112, 1312, 1390, 1520, 1558, 1640, 1748, 1840, 1886, 2185, 2224, 2641, 2780, 3040, 3116, 3197, 3280, 3496, 3680, 3772, 3895, 4370, 4448, 4715, 5282, 5560, 5699, 6232, 6394, 6560, 6992, 7544, 7790, 8740, 9430, 10564, 11120, 11398, 12464, 12788, 13205, 13984, 15088, 15580, 15985, 17480, 17917, 18860, 21128, 22240, 22796, 24928, 25576, 26410, 28495, 30176, 31160, 31970, 34960, 35834, 37720, 42256, 45592, 51152, 52820, 56990, 60743, 62320, 63940, 69920, 71668, 75440, 84512, 89585, 91184, 102304, 105640, 108281, 113980, 121486, 124640, 127880, 131077, 143336, 150880, 179170, 182368, 211280, 216562, 227960, 242972, 255760, 262154, 286672, 303715, 358340, 422560, 433124, 455920, 485944, 511520, 524308, 541405, 573344, 607430, 655385, 716680, 866248, 911840, 971888, 1048616, 1082810, 1214860, 1310770, 1433360, 1732496, 1943776, 2097232, 2165620, 2429720, 2490463, 2621540, 2866720, 3464992, 4194464, 4331240, 4859440, 4980926, 5243080, 8662480, 9718880, 9961852, 10486160, 12452315, 17324960, 19923704, 20972320, 24904630, 39847408, 49809260, 79694816, 99618520, 199237040, 398474080]

約数ペア:

[(1, 398474080), (2, 199237040), (4, 99618520), (5, 79694816), (8, 49809260), (10, 39847408), (16, 24904630), (19, 20972320), (20, 19923704), (23, 17324960), (32, 12452315), (38, 10486160), (40, 9961852), (41, 9718880), (46, 8662480), (76, 5243080), (80, 4980926), (82, 4859440), (92, 4331240), (95, 4194464), (115, 3464992), (139, 2866720), (152, 2621540), (160, 2490463), (164, 2429720), (184, 2165620), (190, 2097232), (205, 1943776), (230, 1732496), (278, 1433360), (304, 1310770), (328, 1214860), (368, 1082810), (380, 1048616), (410, 971888), (437, 911840), (460, 866248), (556, 716680), (608, 655385), (656, 607430), (695, 573344), (736, 541405), (760, 524308), (779, 511520), (820, 485944), (874, 455920), (920, 433124), (943, 422560), (1112, 358340), (1312, 303715), (1390, 286672), (1520, 262154), (1558, 255760), (1640, 242972), (1748, 227960), (1840, 216562), (1886, 211280), (2185, 182368), (2224, 179170), (2641, 150880), (2780, 143336), (3040, 131077), (3116, 127880), (3197, 124640), (3280, 121486), (3496, 113980), (3680, 108281), (3772, 105640), (3895, 102304), (4370, 91184), (4448, 89585), (4715, 84512), (5282, 75440), (5560, 71668), (5699, 69920), (6232, 63940), (6394, 62320), (6560, 60743), (6992, 56990), (7544, 52820), (7790, 51152), (8740, 45592), (9430, 42256), (10564, 37720), (11120, 35834), (11398, 34960), (12464, 31970), (12788, 31160), (13205, 30176), (13984, 28495), (15088, 26410), (15580, 25576), (15985, 24928), (17480, 22796), (17917, 22240), (18860, 21128)]