399910056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2679

約数の個数: 128

約数和(自身を含む): 1248307200

約数和(自身を除く): 848397144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 426, 497, 546, 568, 728, 852, 923, 994, 1092, 1491, 1704, 1846, 1988, 2184, 2579, 2769, 2982, 3692, 3976, 5158, 5538, 5964, 6461, 7384, 7737, 10316, 11076, 11928, 12922, 15474, 18053, 19383, 20632, 22152, 25844, 30948, 33527, 36106, 38766, 51688, 54159, 61896, 67054, 72212, 77532, 100581, 108318, 134108, 144424, 155064, 183109, 201162, 216636, 234689, 268216, 366218, 402324, 433272, 469378, 549327, 704067, 732436, 804648, 938756, 1098654, 1281763, 1408134, 1464872, 1877512, 2197308, 2380417, 2563526, 2816268, 3845289, 4394616, 4760834, 5127052, 5632536, 7141251, 7690578, 9521668, 10254104, 14282502, 15381156, 16662919, 19043336, 28565004, 30762312, 33325838, 49988757, 57130008, 66651676, 99977514, 133303352, 199955028, 399910056]

約数ペア:

[(1, 399910056), (2, 199955028), (3, 133303352), (4, 99977514), (6, 66651676), (7, 57130008), (8, 49988757), (12, 33325838), (13, 30762312), (14, 28565004), (21, 19043336), (24, 16662919), (26, 15381156), (28, 14282502), (39, 10254104), (42, 9521668), (52, 7690578), (56, 7141251), (71, 5632536), (78, 5127052), (84, 4760834), (91, 4394616), (104, 3845289), (142, 2816268), (156, 2563526), (168, 2380417), (182, 2197308), (213, 1877512), (273, 1464872), (284, 1408134), (312, 1281763), (364, 1098654), (426, 938756), (497, 804648), (546, 732436), (568, 704067), (728, 549327), (852, 469378), (923, 433272), (994, 402324), (1092, 366218), (1491, 268216), (1704, 234689), (1846, 216636), (1988, 201162), (2184, 183109), (2579, 155064), (2769, 144424), (2982, 134108), (3692, 108318), (3976, 100581), (5158, 77532), (5538, 72212), (5964, 67054), (6461, 61896), (7384, 54159), (7737, 51688), (10316, 38766), (11076, 36106), (11928, 33527), (12922, 30948), (15474, 25844), (18053, 22152), (19383, 20632)]