219910240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 588406896

約数和(自身を除く): 368496656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 121, 148, 160, 176, 185, 220, 242, 296, 307, 352, 370, 407, 440, 484, 592, 605, 614, 740, 814, 880, 968, 1184, 1210, 1228, 1480, 1535, 1628, 1760, 1936, 2035, 2420, 2456, 2960, 3070, 3256, 3377, 3872, 4070, 4477, 4840, 4912, 5920, 6140, 6512, 6754, 8140, 8954, 9680, 9824, 11359, 12280, 13024, 13508, 16280, 16885, 17908, 19360, 22385, 22718, 24560, 27016, 32560, 33770, 35816, 37147, 44770, 45436, 49120, 54032, 56795, 65120, 67540, 71632, 74294, 89540, 90872, 108064, 113590, 124949, 135080, 143264, 148588, 179080, 181744, 185735, 227180, 249898, 270160, 297176, 358160, 363488, 371470, 454360, 499796, 540320, 594352, 624745, 716320, 742940, 908720, 999592, 1188704, 1249490, 1374439, 1485880, 1817440, 1999184, 2498980, 2748878, 2971760, 3998368, 4997960, 5497756, 5943520, 6872195, 9995920, 10995512, 13744390, 19991840, 21991024, 27488780, 43982048, 54977560, 109955120, 219910240]

約数ペア:

[(1, 219910240), (2, 109955120), (4, 54977560), (5, 43982048), (8, 27488780), (10, 21991024), (11, 19991840), (16, 13744390), (20, 10995512), (22, 9995920), (32, 6872195), (37, 5943520), (40, 5497756), (44, 4997960), (55, 3998368), (74, 2971760), (80, 2748878), (88, 2498980), (110, 1999184), (121, 1817440), (148, 1485880), (160, 1374439), (176, 1249490), (185, 1188704), (220, 999592), (242, 908720), (296, 742940), (307, 716320), (352, 624745), (370, 594352), (407, 540320), (440, 499796), (484, 454360), (592, 371470), (605, 363488), (614, 358160), (740, 297176), (814, 270160), (880, 249898), (968, 227180), (1184, 185735), (1210, 181744), (1228, 179080), (1480, 148588), (1535, 143264), (1628, 135080), (1760, 124949), (1936, 113590), (2035, 108064), (2420, 90872), (2456, 89540), (2960, 74294), (3070, 71632), (3256, 67540), (3377, 65120), (3872, 56795), (4070, 54032), (4477, 49120), (4840, 45436), (4912, 44770), (5920, 37147), (6140, 35816), (6512, 33770), (6754, 32560), (8140, 27016), (8954, 24560), (9680, 22718), (9824, 22385), (11359, 19360), (12280, 17908), (13024, 16885), (13508, 16280)]