399408044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 876395520

約数和(自身を除く): 476987476

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 103, 133, 148, 197, 206, 259, 266, 394, 412, 518, 532, 703, 721, 788, 1036, 1379, 1406, 1442, 1957, 2758, 2812, 2884, 3743, 3811, 3914, 4921, 5516, 7289, 7486, 7622, 7828, 9842, 13699, 14578, 14972, 15244, 19684, 20291, 26201, 26677, 27398, 29156, 40582, 51023, 52402, 53354, 54796, 72409, 81164, 102046, 104804, 106708, 138491, 142037, 144818, 204092, 276982, 284074, 289636, 385529, 506863, 553964, 568148, 750767, 771058, 969437, 1013726, 1501534, 1542116, 1938874, 2027452, 2698703, 3003068, 3877748, 5255369, 5397406, 10510738, 10794812, 14264573, 21021476, 28529146, 57058292, 99852011, 199704022, 399408044]

約数ペア:

[(1, 399408044), (2, 199704022), (4, 99852011), (7, 57058292), (14, 28529146), (19, 21021476), (28, 14264573), (37, 10794812), (38, 10510738), (74, 5397406), (76, 5255369), (103, 3877748), (133, 3003068), (148, 2698703), (197, 2027452), (206, 1938874), (259, 1542116), (266, 1501534), (394, 1013726), (412, 969437), (518, 771058), (532, 750767), (703, 568148), (721, 553964), (788, 506863), (1036, 385529), (1379, 289636), (1406, 284074), (1442, 276982), (1957, 204092), (2758, 144818), (2812, 142037), (2884, 138491), (3743, 106708), (3811, 104804), (3914, 102046), (4921, 81164), (5516, 72409), (7289, 54796), (7486, 53354), (7622, 52402), (7828, 51023), (9842, 40582), (13699, 29156), (14578, 27398), (14972, 26677), (15244, 26201), (19684, 20291)]