390369280

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 156

約数和(自身を含む): 1092515580

約数和(自身を除く): 702146300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 389, 392, 448, 490, 512, 560, 640, 778, 784, 896, 980, 1024, 1120, 1280, 1556, 1568, 1792, 1945, 1960, 2048, 2240, 2560, 2723, 3112, 3136, 3584, 3890, 3920, 4096, 4480, 5120, 5446, 6224, 6272, 7168, 7780, 7840, 8960, 10240, 10892, 12448, 12544, 13615, 14336, 15560, 15680, 17920, 19061, 20480, 21784, 24896, 25088, 27230, 28672, 31120, 31360, 35840, 38122, 43568, 49792, 50176, 54460, 62240, 62720, 71680, 76244, 87136, 95305, 99584, 100352, 108920, 124480, 125440, 143360, 152488, 174272, 190610, 199168, 200704, 217840, 248960, 250880, 304976, 348544, 381220, 398336, 435680, 497920, 501760, 609952, 697088, 762440, 796672, 871360, 995840, 1003520, 1219904, 1394176, 1524880, 1593344, 1742720, 1991680, 2439808, 2788352, 3049760, 3485440, 3983360, 4879616, 5576704, 6099520, 6970880, 7966720, 9759232, 11153408, 12199040, 13941760, 19518464, 24398080, 27883520, 39036928, 48796160, 55767040, 78073856, 97592320, 195184640, 390369280]

約数ペア:

[(1, 390369280), (2, 195184640), (4, 97592320), (5, 78073856), (7, 55767040), (8, 48796160), (10, 39036928), (14, 27883520), (16, 24398080), (20, 19518464), (28, 13941760), (32, 12199040), (35, 11153408), (40, 9759232), (49, 7966720), (56, 6970880), (64, 6099520), (70, 5576704), (80, 4879616), (98, 3983360), (112, 3485440), (128, 3049760), (140, 2788352), (160, 2439808), (196, 1991680), (224, 1742720), (245, 1593344), (256, 1524880), (280, 1394176), (320, 1219904), (389, 1003520), (392, 995840), (448, 871360), (490, 796672), (512, 762440), (560, 697088), (640, 609952), (778, 501760), (784, 497920), (896, 435680), (980, 398336), (1024, 381220), (1120, 348544), (1280, 304976), (1556, 250880), (1568, 248960), (1792, 217840), (1945, 200704), (1960, 199168), (2048, 190610), (2240, 174272), (2560, 152488), (2723, 143360), (3112, 125440), (3136, 124480), (3584, 108920), (3890, 100352), (3920, 99584), (4096, 95305), (4480, 87136), (5120, 76244), (5446, 71680), (6224, 62720), (6272, 62240), (7168, 54460), (7780, 50176), (7840, 49792), (8960, 43568), (10240, 38122), (10892, 35840), (12448, 31360), (12544, 31120), (13615, 28672), (14336, 27230), (15560, 25088), (15680, 24896), (17920, 21784), (19061, 20480)]