2146257575

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 3633517440

約数和(自身を除く): 1487259865

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 83, 95, 101, 133, 175, 209, 245, 275, 385, 415, 475, 505, 539, 581, 665, 707, 913, 931, 1045, 1111, 1225, 1463, 1577, 1919, 1925, 2075, 2525, 2695, 2905, 3325, 3535, 4067, 4565, 4655, 4949, 5225, 5555, 6391, 7315, 7777, 7885, 8383, 9595, 10241, 11039, 13433, 13475, 14525, 17347, 17675, 20335, 21109, 22825, 23275, 24745, 27775, 31955, 36575, 38885, 39425, 41915, 44737, 47975, 51205, 54439, 55195, 58681, 67165, 77273, 86735, 92213, 94031, 101675, 105545, 121429, 123725, 147763, 159277, 159775, 194425, 209575, 223685, 256025, 272195, 275975, 293405, 335825, 386365, 410767, 433675, 461065, 470155, 527725, 607145, 645491, 738815, 796385, 850003, 1034341, 1114939, 1118425, 1360975, 1467025, 1752047, 1931825, 2053835, 2305325, 2350775, 3035725, 3227455, 3694075, 3981925, 4250015, 4518437, 5171705, 5574695, 7804573, 8760235, 10269175, 12264329, 16137275, 21250075, 22592185, 25858525, 27873475, 39022865, 43801175, 61321645, 85850303, 112960925, 195114325, 306608225, 429251515, 2146257575]

約数ペア:

[(1, 2146257575), (5, 429251515), (7, 306608225), (11, 195114325), (19, 112960925), (25, 85850303), (35, 61321645), (49, 43801175), (55, 39022865), (77, 27873475), (83, 25858525), (95, 22592185), (101, 21250075), (133, 16137275), (175, 12264329), (209, 10269175), (245, 8760235), (275, 7804573), (385, 5574695), (415, 5171705), (475, 4518437), (505, 4250015), (539, 3981925), (581, 3694075), (665, 3227455), (707, 3035725), (913, 2350775), (931, 2305325), (1045, 2053835), (1111, 1931825), (1225, 1752047), (1463, 1467025), (1577, 1360975), (1919, 1118425), (1925, 1114939), (2075, 1034341), (2525, 850003), (2695, 796385), (2905, 738815), (3325, 645491), (3535, 607145), (4067, 527725), (4565, 470155), (4655, 461065), (4949, 433675), (5225, 410767), (5555, 386365), (6391, 335825), (7315, 293405), (7777, 275975), (7885, 272195), (8383, 256025), (9595, 223685), (10241, 209575), (11039, 194425), (13433, 159775), (13475, 159277), (14525, 147763), (17347, 123725), (17675, 121429), (20335, 105545), (21109, 101675), (22825, 94031), (23275, 92213), (24745, 86735), (27775, 77273), (31955, 67165), (36575, 58681), (38885, 55195), (39425, 54439), (41915, 51205), (44737, 47975)]