378516100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 914316480

約数和(自身を除く): 535800380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 43, 50, 76, 82, 86, 95, 100, 113, 164, 172, 190, 205, 215, 226, 380, 410, 430, 452, 475, 565, 779, 817, 820, 860, 950, 1025, 1075, 1130, 1558, 1634, 1763, 1900, 2050, 2147, 2150, 2260, 2825, 3116, 3268, 3526, 3895, 4085, 4100, 4294, 4300, 4633, 4859, 5650, 7052, 7790, 8170, 8588, 8815, 9266, 9718, 10735, 11300, 15580, 16340, 17630, 18532, 19436, 19475, 20425, 21470, 23165, 24295, 33497, 35260, 38950, 40850, 42940, 44075, 46330, 48590, 53675, 66994, 77900, 81700, 88027, 88150, 92321, 92660, 97180, 107350, 115825, 121475, 133988, 167485, 176054, 176300, 184642, 199219, 214700, 231650, 242950, 334970, 352108, 369284, 398438, 440135, 461605, 463300, 485900, 669940, 796876, 837425, 880270, 923210, 996095, 1674850, 1760540, 1846420, 1992190, 2200675, 2308025, 3349700, 3785161, 3984380, 4401350, 4616050, 4980475, 7570322, 8802700, 9232100, 9960950, 15140644, 18925805, 19921900, 37851610, 75703220, 94629025, 189258050, 378516100]

約数ペア:

[(1, 378516100), (2, 189258050), (4, 94629025), (5, 75703220), (10, 37851610), (19, 19921900), (20, 18925805), (25, 15140644), (38, 9960950), (41, 9232100), (43, 8802700), (50, 7570322), (76, 4980475), (82, 4616050), (86, 4401350), (95, 3984380), (100, 3785161), (113, 3349700), (164, 2308025), (172, 2200675), (190, 1992190), (205, 1846420), (215, 1760540), (226, 1674850), (380, 996095), (410, 923210), (430, 880270), (452, 837425), (475, 796876), (565, 669940), (779, 485900), (817, 463300), (820, 461605), (860, 440135), (950, 398438), (1025, 369284), (1075, 352108), (1130, 334970), (1558, 242950), (1634, 231650), (1763, 214700), (1900, 199219), (2050, 184642), (2147, 176300), (2150, 176054), (2260, 167485), (2825, 133988), (3116, 121475), (3268, 115825), (3526, 107350), (3895, 97180), (4085, 92660), (4100, 92321), (4294, 88150), (4300, 88027), (4633, 81700), (4859, 77900), (5650, 66994), (7052, 53675), (7790, 48590), (8170, 46330), (8588, 44075), (8815, 42940), (9266, 40850), (9718, 38950), (10735, 35260), (11300, 33497), (15580, 24295), (16340, 23165), (17630, 21470), (18532, 20425), (19436, 19475)]