2079756980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 5251018752

約数和(自身を除く): 3171261772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 191, 196, 205, 245, 271, 287, 382, 410, 490, 542, 574, 764, 820, 955, 980, 1084, 1148, 1337, 1355, 1435, 1897, 1910, 2009, 2674, 2710, 2870, 3794, 3820, 4018, 5348, 5420, 5740, 6685, 7588, 7831, 8036, 9359, 9485, 10045, 11111, 13279, 13370, 15662, 18718, 18970, 20090, 22222, 26558, 26740, 31324, 37436, 37940, 39155, 40180, 44444, 46795, 51761, 53116, 54817, 55555, 66395, 77777, 78310, 93590, 103522, 109634, 111110, 132790, 155554, 156620, 187180, 207044, 219268, 222220, 258805, 265580, 274085, 311108, 362327, 383719, 388885, 517610, 544439, 548170, 724654, 767438, 777770, 1035220, 1088878, 1096340, 1449308, 1534876, 1555540, 1811635, 1918595, 2122201, 2177756, 2536289, 2722195, 3623270, 3837190, 4244402, 5072578, 5444390, 7246540, 7674380, 8488804, 10145156, 10611005, 10888780, 12681445, 14855407, 21222010, 25362890, 29710814, 42444020, 50725780, 59421628, 74277035, 103987849, 148554070, 207975698, 297108140, 415951396, 519939245, 1039878490, 2079756980]

約数ペア:

[(1, 2079756980), (2, 1039878490), (4, 519939245), (5, 415951396), (7, 297108140), (10, 207975698), (14, 148554070), (20, 103987849), (28, 74277035), (35, 59421628), (41, 50725780), (49, 42444020), (70, 29710814), (82, 25362890), (98, 21222010), (140, 14855407), (164, 12681445), (191, 10888780), (196, 10611005), (205, 10145156), (245, 8488804), (271, 7674380), (287, 7246540), (382, 5444390), (410, 5072578), (490, 4244402), (542, 3837190), (574, 3623270), (764, 2722195), (820, 2536289), (955, 2177756), (980, 2122201), (1084, 1918595), (1148, 1811635), (1337, 1555540), (1355, 1534876), (1435, 1449308), (1897, 1096340), (1910, 1088878), (2009, 1035220), (2674, 777770), (2710, 767438), (2870, 724654), (3794, 548170), (3820, 544439), (4018, 517610), (5348, 388885), (5420, 383719), (5740, 362327), (6685, 311108), (7588, 274085), (7831, 265580), (8036, 258805), (9359, 222220), (9485, 219268), (10045, 207044), (11111, 187180), (13279, 156620), (13370, 155554), (15662, 132790), (18718, 111110), (18970, 109634), (20090, 103522), (22222, 93590), (26558, 78310), (26740, 77777), (31324, 66395), (37436, 55555), (37940, 54817), (39155, 53116), (40180, 51761), (44444, 46795)]