388986000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5026

約数の個数: 160

約数和(自身を含む): 1350830208

約数和(自身を除く): 961844208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 300, 312, 325, 375, 390, 400, 500, 520, 600, 624, 650, 750, 780, 975, 1000, 1040, 1200, 1300, 1500, 1560, 1625, 1950, 2000, 2600, 3000, 3120, 3250, 3900, 4875, 4987, 5200, 6000, 6500, 7800, 9750, 9974, 13000, 14961, 15600, 19500, 19948, 24935, 26000, 29922, 39000, 39896, 49870, 59844, 64831, 74805, 78000, 79792, 99740, 119688, 124675, 129662, 149610, 194493, 199480, 239376, 249350, 259324, 299220, 324155, 374025, 388986, 398960, 498700, 518648, 598440, 623375, 648310, 748050, 777972, 972465, 997400, 1037296, 1196880, 1246750, 1296620, 1496100, 1555944, 1620775, 1870125, 1944930, 1994800, 2493500, 2593240, 2992200, 3111888, 3241550, 3740250, 3889860, 4862325, 4987000, 5186480, 5984400, 6483100, 7480500, 7779720, 8103875, 9724650, 9974000, 12966200, 14961000, 15559440, 16207750, 19449300, 24311625, 25932400, 29922000, 32415500, 38898600, 48623250, 64831000, 77797200, 97246500, 129662000, 194493000, 388986000]

約数ペア:

[(1, 388986000), (2, 194493000), (3, 129662000), (4, 97246500), (5, 77797200), (6, 64831000), (8, 48623250), (10, 38898600), (12, 32415500), (13, 29922000), (15, 25932400), (16, 24311625), (20, 19449300), (24, 16207750), (25, 15559440), (26, 14961000), (30, 12966200), (39, 9974000), (40, 9724650), (48, 8103875), (50, 7779720), (52, 7480500), (60, 6483100), (65, 5984400), (75, 5186480), (78, 4987000), (80, 4862325), (100, 3889860), (104, 3740250), (120, 3241550), (125, 3111888), (130, 2992200), (150, 2593240), (156, 2493500), (195, 1994800), (200, 1944930), (208, 1870125), (240, 1620775), (250, 1555944), (260, 1496100), (300, 1296620), (312, 1246750), (325, 1196880), (375, 1037296), (390, 997400), (400, 972465), (500, 777972), (520, 748050), (600, 648310), (624, 623375), (650, 598440), (750, 518648), (780, 498700), (975, 398960), (1000, 388986), (1040, 374025), (1200, 324155), (1300, 299220), (1500, 259324), (1560, 249350), (1625, 239376), (1950, 199480), (2000, 194493), (2600, 149610), (3000, 129662), (3120, 124675), (3250, 119688), (3900, 99740), (4875, 79792), (4987, 78000), (5200, 74805), (6000, 64831), (6500, 59844), (7800, 49870), (9750, 39896), (9974, 39000), (13000, 29922), (14961, 26000), (15600, 24935), (19500, 19948)]