388597760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 942603480

約数和(自身を除く): 554005720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 277, 320, 512, 548, 554, 640, 685, 1024, 1096, 1108, 1280, 1370, 1385, 2048, 2192, 2216, 2560, 2740, 2770, 4384, 4432, 5120, 5480, 5540, 8768, 8864, 10240, 10960, 11080, 17536, 17728, 21920, 22160, 35072, 35456, 37949, 43840, 44320, 70144, 70912, 75898, 87680, 88640, 140288, 141824, 151796, 175360, 177280, 189745, 280576, 283648, 303592, 350720, 354560, 379490, 567296, 607184, 701440, 709120, 758980, 1214368, 1402880, 1418240, 1517960, 2428736, 2836480, 3035920, 4857472, 6071840, 9714944, 12143680, 19429888, 24287360, 38859776, 48574720, 77719552, 97149440, 194298880, 388597760]

約数ペア:

[(1, 388597760), (2, 194298880), (4, 97149440), (5, 77719552), (8, 48574720), (10, 38859776), (16, 24287360), (20, 19429888), (32, 12143680), (40, 9714944), (64, 6071840), (80, 4857472), (128, 3035920), (137, 2836480), (160, 2428736), (256, 1517960), (274, 1418240), (277, 1402880), (320, 1214368), (512, 758980), (548, 709120), (554, 701440), (640, 607184), (685, 567296), (1024, 379490), (1096, 354560), (1108, 350720), (1280, 303592), (1370, 283648), (1385, 280576), (2048, 189745), (2192, 177280), (2216, 175360), (2560, 151796), (2740, 141824), (2770, 140288), (4384, 88640), (4432, 87680), (5120, 75898), (5480, 70912), (5540, 70144), (8768, 44320), (8864, 43840), (10240, 37949), (10960, 35456), (11080, 35072), (17536, 22160), (17728, 21920)]