778823870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 1679616000

約数和(自身を除く): 900792130

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 79, 89, 95, 106, 110, 158, 178, 190, 209, 265, 395, 418, 445, 530, 583, 790, 869, 890, 979, 1007, 1045, 1166, 1501, 1691, 1738, 1958, 2014, 2090, 2915, 3002, 3382, 4187, 4345, 4717, 4895, 5035, 5830, 7031, 7505, 8374, 8455, 8690, 9434, 9790, 10070, 11077, 14062, 15010, 16511, 16910, 18601, 20935, 22154, 23585, 33022, 35155, 37202, 41870, 46057, 47170, 51887, 55385, 70310, 77341, 79553, 82555, 89623, 92114, 93005, 103774, 110770, 133589, 154682, 159106, 165110, 179246, 186010, 230285, 259435, 267178, 372643, 386705, 397765, 448115, 460570, 518870, 667945, 745286, 773410, 795530, 875083, 896230, 985853, 1335890, 1469479, 1750166, 1863215, 1971706, 2938958, 3726430, 4099073, 4375415, 4929265, 7080217, 7347395, 8198146, 8750830, 9858530, 14160434, 14694790, 20495365, 35401085, 40990730, 70802170, 77882387, 155764774, 389411935, 778823870]

約数ペア:

[(1, 778823870), (2, 389411935), (5, 155764774), (10, 77882387), (11, 70802170), (19, 40990730), (22, 35401085), (38, 20495365), (53, 14694790), (55, 14160434), (79, 9858530), (89, 8750830), (95, 8198146), (106, 7347395), (110, 7080217), (158, 4929265), (178, 4375415), (190, 4099073), (209, 3726430), (265, 2938958), (395, 1971706), (418, 1863215), (445, 1750166), (530, 1469479), (583, 1335890), (790, 985853), (869, 896230), (890, 875083), (979, 795530), (1007, 773410), (1045, 745286), (1166, 667945), (1501, 518870), (1691, 460570), (1738, 448115), (1958, 397765), (2014, 386705), (2090, 372643), (2915, 267178), (3002, 259435), (3382, 230285), (4187, 186010), (4345, 179246), (4717, 165110), (4895, 159106), (5035, 154682), (5830, 133589), (7031, 110770), (7505, 103774), (8374, 93005), (8455, 92114), (8690, 89623), (9434, 82555), (9790, 79553), (10070, 77341), (11077, 70310), (14062, 55385), (15010, 51887), (16511, 47170), (16910, 46057), (18601, 41870), (20935, 37202), (22154, 35155), (23585, 33022)]