8889136100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 21217392000

約数和(自身を除く): 12328255900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 193, 260, 284, 325, 355, 386, 499, 650, 710, 772, 923, 965, 998, 1300, 1420, 1775, 1846, 1930, 1996, 2495, 2509, 3550, 3692, 3860, 4615, 4825, 4990, 5018, 6487, 7100, 9230, 9650, 9980, 10036, 12475, 12545, 12974, 13703, 18460, 19300, 23075, 24950, 25090, 25948, 27406, 32435, 35429, 46150, 49900, 50180, 54812, 62725, 64870, 68515, 70858, 92300, 96307, 125450, 129740, 137030, 141716, 162175, 177145, 178139, 192614, 250900, 274060, 324350, 342575, 354290, 356278, 385228, 460577, 481535, 648700, 685150, 708580, 712556, 885725, 890695, 921154, 963070, 1251991, 1370300, 1771450, 1781390, 1842308, 1926140, 2302885, 2407675, 2503982, 3542900, 3562780, 4453475, 4605770, 4815350, 5007964, 6259955, 6837797, 8906950, 9211540, 9630700, 11514425, 12519910, 13675594, 17813900, 23028850, 25039820, 27351188, 31299775, 34188985, 46057700, 62599550, 68377970, 88891361, 125199100, 136755940, 170944925, 177782722, 341889850, 355565444, 444456805, 683779700, 888913610, 1777827220, 2222284025, 4444568050, 8889136100]

約数ペア:

[(1, 8889136100), (2, 4444568050), (4, 2222284025), (5, 1777827220), (10, 888913610), (13, 683779700), (20, 444456805), (25, 355565444), (26, 341889850), (50, 177782722), (52, 170944925), (65, 136755940), (71, 125199100), (100, 88891361), (130, 68377970), (142, 62599550), (193, 46057700), (260, 34188985), (284, 31299775), (325, 27351188), (355, 25039820), (386, 23028850), (499, 17813900), (650, 13675594), (710, 12519910), (772, 11514425), (923, 9630700), (965, 9211540), (998, 8906950), (1300, 6837797), (1420, 6259955), (1775, 5007964), (1846, 4815350), (1930, 4605770), (1996, 4453475), (2495, 3562780), (2509, 3542900), (3550, 2503982), (3692, 2407675), (3860, 2302885), (4615, 1926140), (4825, 1842308), (4990, 1781390), (5018, 1771450), (6487, 1370300), (7100, 1251991), (9230, 963070), (9650, 921154), (9980, 890695), (10036, 885725), (12475, 712556), (12545, 708580), (12974, 685150), (13703, 648700), (18460, 481535), (19300, 460577), (23075, 385228), (24950, 356278), (25090, 354290), (25948, 342575), (27406, 324350), (32435, 274060), (35429, 250900), (46150, 192614), (49900, 178139), (50180, 177145), (54812, 162175), (62725, 141716), (64870, 137030), (68515, 129740), (70858, 125450), (92300, 96307)]