98976800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 269482752

約数和(自身を除く): 170505952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 307, 310, 325, 400, 403, 416, 496, 520, 614, 620, 650, 775, 800, 806, 992, 1040, 1228, 1240, 1300, 1535, 1550, 1612, 2015, 2080, 2456, 2480, 2600, 3070, 3100, 3224, 3991, 4030, 4912, 4960, 5200, 6140, 6200, 6448, 7675, 7982, 8060, 9517, 9824, 10075, 10400, 12280, 12400, 12896, 15350, 15964, 16120, 19034, 19955, 20150, 24560, 24800, 30700, 31928, 32240, 38068, 39910, 40300, 47585, 49120, 61400, 63856, 64480, 76136, 79820, 80600, 95170, 99775, 122800, 123721, 127712, 152272, 159640, 161200, 190340, 199550, 237925, 245600, 247442, 304544, 319280, 322400, 380680, 399100, 475850, 494884, 618605, 638560, 761360, 798200, 951700, 989768, 1237210, 1522720, 1596400, 1903400, 1979536, 2474420, 3093025, 3192800, 3806800, 3959072, 4948840, 6186050, 7613600, 9897680, 12372100, 19795360, 24744200, 49488400, 98976800]

約数ペア:

[(1, 98976800), (2, 49488400), (4, 24744200), (5, 19795360), (8, 12372100), (10, 9897680), (13, 7613600), (16, 6186050), (20, 4948840), (25, 3959072), (26, 3806800), (31, 3192800), (32, 3093025), (40, 2474420), (50, 1979536), (52, 1903400), (62, 1596400), (65, 1522720), (80, 1237210), (100, 989768), (104, 951700), (124, 798200), (130, 761360), (155, 638560), (160, 618605), (200, 494884), (208, 475850), (248, 399100), (260, 380680), (307, 322400), (310, 319280), (325, 304544), (400, 247442), (403, 245600), (416, 237925), (496, 199550), (520, 190340), (614, 161200), (620, 159640), (650, 152272), (775, 127712), (800, 123721), (806, 122800), (992, 99775), (1040, 95170), (1228, 80600), (1240, 79820), (1300, 76136), (1535, 64480), (1550, 63856), (1612, 61400), (2015, 49120), (2080, 47585), (2456, 40300), (2480, 39910), (2600, 38068), (3070, 32240), (3100, 31928), (3224, 30700), (3991, 24800), (4030, 24560), (4912, 20150), (4960, 19955), (5200, 19034), (6140, 16120), (6200, 15964), (6448, 15350), (7675, 12896), (7982, 12400), (8060, 12280), (9517, 10400), (9824, 10075)]