447879040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 1231588800

約数和(自身を除く): 783709760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 257, 280, 320, 389, 448, 514, 560, 640, 778, 896, 1028, 1120, 1285, 1556, 1799, 1945, 2056, 2240, 2570, 2723, 3112, 3598, 3890, 4112, 4480, 5140, 5446, 6224, 7196, 7780, 8224, 8995, 10280, 10892, 12448, 13615, 14392, 15560, 16448, 17990, 20560, 21784, 24896, 27230, 28784, 31120, 32896, 35980, 41120, 43568, 49792, 54460, 57568, 62240, 71960, 82240, 87136, 99973, 108920, 115136, 124480, 143920, 164480, 174272, 199946, 217840, 230272, 248960, 287840, 348544, 399892, 435680, 499865, 575680, 699811, 799784, 871360, 999730, 1151360, 1399622, 1599568, 1742720, 1999460, 2799244, 3199136, 3499055, 3998920, 5598488, 6398272, 6998110, 7997840, 11196976, 12796544, 13996220, 15995680, 22393952, 27992440, 31991360, 44787904, 55984880, 63982720, 89575808, 111969760, 223939520, 447879040]

約数ペア:

[(1, 447879040), (2, 223939520), (4, 111969760), (5, 89575808), (7, 63982720), (8, 55984880), (10, 44787904), (14, 31991360), (16, 27992440), (20, 22393952), (28, 15995680), (32, 13996220), (35, 12796544), (40, 11196976), (56, 7997840), (64, 6998110), (70, 6398272), (80, 5598488), (112, 3998920), (128, 3499055), (140, 3199136), (160, 2799244), (224, 1999460), (257, 1742720), (280, 1599568), (320, 1399622), (389, 1151360), (448, 999730), (514, 871360), (560, 799784), (640, 699811), (778, 575680), (896, 499865), (1028, 435680), (1120, 399892), (1285, 348544), (1556, 287840), (1799, 248960), (1945, 230272), (2056, 217840), (2240, 199946), (2570, 174272), (2723, 164480), (3112, 143920), (3598, 124480), (3890, 115136), (4112, 108920), (4480, 99973), (5140, 87136), (5446, 82240), (6224, 71960), (7196, 62240), (7780, 57568), (8224, 54460), (8995, 49792), (10280, 43568), (10892, 41120), (12448, 35980), (13615, 32896), (14392, 31120), (15560, 28784), (16448, 27230), (17990, 24896), (20560, 21784)]