491788920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34439}}^1$

素因数の和:34477

約数の個数: 128

約数和(自身を含む): 1785369600

約数和(自身を除く): 1293580680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 34439, 68878, 103317, 137756, 172195, 206634, 241073, 275512, 344390, 413268, 482146, 516585, 585463, 688780, 723219, 826536, 964292, 1033170, 1170926, 1205365, 1377560, 1446438, 1756389, 1928584, 2066340, 2341852, 2410730, 2892876, 2927315, 3512778, 3616095, 4098241, 4132680, 4683704, 4821460, 5785752, 5854630, 7025556, 7232190, 8196482, 8781945, 9642920, 11709260, 12294723, 14051112, 14464380, 16392964, 17563890, 20491205, 23418520, 24589446, 28928760, 32785928, 35127780, 40982410, 49178892, 61473615, 70255560, 81964820, 98357784, 122947230, 163929640, 245894460, 491788920]

約数ペア:

[(1, 491788920), (2, 245894460), (3, 163929640), (4, 122947230), (5, 98357784), (6, 81964820), (7, 70255560), (8, 61473615), (10, 49178892), (12, 40982410), (14, 35127780), (15, 32785928), (17, 28928760), (20, 24589446), (21, 23418520), (24, 20491205), (28, 17563890), (30, 16392964), (34, 14464380), (35, 14051112), (40, 12294723), (42, 11709260), (51, 9642920), (56, 8781945), (60, 8196482), (68, 7232190), (70, 7025556), (84, 5854630), (85, 5785752), (102, 4821460), (105, 4683704), (119, 4132680), (120, 4098241), (136, 3616095), (140, 3512778), (168, 2927315), (170, 2892876), (204, 2410730), (210, 2341852), (238, 2066340), (255, 1928584), (280, 1756389), (340, 1446438), (357, 1377560), (408, 1205365), (420, 1170926), (476, 1033170), (510, 964292), (595, 826536), (680, 723219), (714, 688780), (840, 585463), (952, 516585), (1020, 482146), (1190, 413268), (1428, 344390), (1785, 275512), (2040, 241073), (2380, 206634), (2856, 172195), (3570, 137756), (4760, 103317), (7140, 68878), (14280, 34439)]