487308656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 1021363200

約数和(自身を除く): 534054544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 103, 152, 158, 197, 206, 304, 316, 394, 412, 632, 788, 824, 1264, 1501, 1576, 1648, 1957, 3002, 3152, 3743, 3914, 6004, 7486, 7828, 8137, 12008, 14972, 15563, 15656, 16274, 20291, 24016, 29944, 31126, 31312, 32548, 40582, 59888, 62252, 65096, 81164, 124504, 130192, 154603, 162328, 249008, 295697, 309206, 324656, 385529, 591394, 618412, 771058, 1182788, 1236824, 1542116, 1602989, 2365576, 2473648, 3084232, 3205978, 4731152, 6168464, 6411956, 12823912, 25647824, 30456791, 60913582, 121827164, 243654328, 487308656]

約数ペア:

[(1, 487308656), (2, 243654328), (4, 121827164), (8, 60913582), (16, 30456791), (19, 25647824), (38, 12823912), (76, 6411956), (79, 6168464), (103, 4731152), (152, 3205978), (158, 3084232), (197, 2473648), (206, 2365576), (304, 1602989), (316, 1542116), (394, 1236824), (412, 1182788), (632, 771058), (788, 618412), (824, 591394), (1264, 385529), (1501, 324656), (1576, 309206), (1648, 295697), (1957, 249008), (3002, 162328), (3152, 154603), (3743, 130192), (3914, 124504), (6004, 81164), (7486, 65096), (7828, 62252), (8137, 59888), (12008, 40582), (14972, 32548), (15563, 31312), (15656, 31126), (16274, 29944), (20291, 24016)]