990383056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1913}}^1$

素因数の和:2084

約数の個数: 80

約数和(自身を含む): 2192984640

約数和(自身を除く): 1202601584

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 131, 152, 208, 247, 262, 304, 494, 524, 988, 1048, 1703, 1913, 1976, 2096, 2489, 3406, 3826, 3952, 4978, 6812, 7652, 9956, 13624, 15304, 19912, 24869, 27248, 30608, 32357, 36347, 39824, 49738, 64714, 72694, 99476, 129428, 145388, 198952, 250603, 258856, 290776, 397904, 472511, 501206, 517712, 581552, 945022, 1002412, 1890044, 2004824, 3257839, 3780088, 4009648, 4761457, 6515678, 7560176, 9522914, 13031356, 19045828, 26062712, 38091656, 52125424, 61898941, 76183312, 123797882, 247595764, 495191528, 990383056]

約数ペア:

[(1, 990383056), (2, 495191528), (4, 247595764), (8, 123797882), (13, 76183312), (16, 61898941), (19, 52125424), (26, 38091656), (38, 26062712), (52, 19045828), (76, 13031356), (104, 9522914), (131, 7560176), (152, 6515678), (208, 4761457), (247, 4009648), (262, 3780088), (304, 3257839), (494, 2004824), (524, 1890044), (988, 1002412), (1048, 945022), (1703, 581552), (1913, 517712), (1976, 501206), (2096, 472511), (2489, 397904), (3406, 290776), (3826, 258856), (3952, 250603), (4978, 198952), (6812, 145388), (7652, 129428), (9956, 99476), (13624, 72694), (15304, 64714), (19912, 49738), (24869, 39824), (27248, 36347), (30608, 32357)]