243638672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 519966720

約数和(自身を除く): 276328048

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 103, 124, 152, 206, 248, 251, 304, 412, 496, 502, 589, 824, 1004, 1178, 1648, 1957, 2008, 2356, 3193, 3914, 4016, 4712, 4769, 6386, 7781, 7828, 9424, 9538, 12772, 15562, 15656, 19076, 25544, 25853, 31124, 31312, 38152, 51088, 51706, 60667, 62248, 76304, 103412, 121334, 124496, 147839, 206824, 242668, 295678, 413648, 485336, 491207, 591356, 801443, 970672, 982414, 1182712, 1602886, 1964828, 2365424, 3205772, 3929656, 6411544, 7859312, 12823088, 15227417, 30454834, 60909668, 121819336, 243638672]

約数ペア:

[(1, 243638672), (2, 121819336), (4, 60909668), (8, 30454834), (16, 15227417), (19, 12823088), (31, 7859312), (38, 6411544), (62, 3929656), (76, 3205772), (103, 2365424), (124, 1964828), (152, 1602886), (206, 1182712), (248, 982414), (251, 970672), (304, 801443), (412, 591356), (496, 491207), (502, 485336), (589, 413648), (824, 295678), (1004, 242668), (1178, 206824), (1648, 147839), (1957, 124496), (2008, 121334), (2356, 103412), (3193, 76304), (3914, 62248), (4016, 60667), (4712, 51706), (4769, 51088), (6386, 38152), (7781, 31312), (7828, 31124), (9424, 25853), (9538, 25544), (12772, 19076), (15562, 15656)]