619412480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 88

約数和(自身を含む): 1494473760

約数和(自身を除く): 875061280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 389, 512, 622, 640, 778, 1024, 1244, 1280, 1555, 1556, 1945, 2488, 2560, 3110, 3112, 3890, 4976, 5120, 6220, 6224, 7780, 9952, 12440, 12448, 15560, 19904, 24880, 24896, 31120, 39808, 49760, 49792, 62240, 79616, 99520, 99584, 120979, 124480, 159232, 199040, 199168, 241958, 248960, 318464, 398080, 398336, 483916, 497920, 604895, 796160, 967832, 995840, 1209790, 1592320, 1935664, 1991680, 2419580, 3871328, 4839160, 7742656, 9678320, 15485312, 19356640, 30970624, 38713280, 61941248, 77426560, 123882496, 154853120, 309706240, 619412480]

約数ペア:

[(1, 619412480), (2, 309706240), (4, 154853120), (5, 123882496), (8, 77426560), (10, 61941248), (16, 38713280), (20, 30970624), (32, 19356640), (40, 15485312), (64, 9678320), (80, 7742656), (128, 4839160), (160, 3871328), (256, 2419580), (311, 1991680), (320, 1935664), (389, 1592320), (512, 1209790), (622, 995840), (640, 967832), (778, 796160), (1024, 604895), (1244, 497920), (1280, 483916), (1555, 398336), (1556, 398080), (1945, 318464), (2488, 248960), (2560, 241958), (3110, 199168), (3112, 199040), (3890, 159232), (4976, 124480), (5120, 120979), (6220, 99584), (6224, 99520), (7780, 79616), (9952, 62240), (12440, 49792), (12448, 49760), (15560, 39808), (19904, 31120), (24880, 24896)]