128664250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 292481280

約数和(自身を除く): 163817030

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 59, 61, 65, 110, 118, 122, 125, 130, 143, 250, 275, 286, 295, 305, 325, 550, 590, 610, 649, 650, 671, 715, 767, 793, 1298, 1342, 1375, 1430, 1475, 1525, 1534, 1586, 1625, 2750, 2950, 3050, 3245, 3250, 3355, 3575, 3599, 3835, 3965, 6490, 6710, 7150, 7198, 7375, 7625, 7670, 7930, 8437, 8723, 14750, 15250, 16225, 16775, 16874, 17446, 17875, 17995, 19175, 19825, 32450, 33550, 35750, 35990, 38350, 39589, 39650, 42185, 43615, 46787, 79178, 81125, 83875, 84370, 87230, 89975, 93574, 95875, 99125, 162250, 167750, 179950, 191750, 197945, 198250, 210925, 218075, 233935, 395890, 421850, 436150, 449875, 467870, 514657, 899750, 989725, 1029314, 1054625, 1090375, 1169675, 1979450, 2109250, 2180750, 2339350, 2573285, 4948625, 5146570, 5848375, 9897250, 11696750, 12866425, 25732850, 64332125, 128664250]

約数ペア:

[(1, 128664250), (2, 64332125), (5, 25732850), (10, 12866425), (11, 11696750), (13, 9897250), (22, 5848375), (25, 5146570), (26, 4948625), (50, 2573285), (55, 2339350), (59, 2180750), (61, 2109250), (65, 1979450), (110, 1169675), (118, 1090375), (122, 1054625), (125, 1029314), (130, 989725), (143, 899750), (250, 514657), (275, 467870), (286, 449875), (295, 436150), (305, 421850), (325, 395890), (550, 233935), (590, 218075), (610, 210925), (649, 198250), (650, 197945), (671, 191750), (715, 179950), (767, 167750), (793, 162250), (1298, 99125), (1342, 95875), (1375, 93574), (1430, 89975), (1475, 87230), (1525, 84370), (1534, 83875), (1586, 81125), (1625, 79178), (2750, 46787), (2950, 43615), (3050, 42185), (3245, 39650), (3250, 39589), (3355, 38350), (3575, 35990), (3599, 35750), (3835, 33550), (3965, 32450), (6490, 19825), (6710, 19175), (7150, 17995), (7198, 17875), (7375, 17446), (7625, 16874), (7670, 16775), (7930, 16225), (8437, 15250), (8723, 14750)]