2028408088

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 4720343040

約数和(自身を除く): 2691934952

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 71, 82, 92, 142, 161, 164, 184, 284, 287, 322, 328, 497, 541, 568, 574, 644, 943, 994, 1082, 1148, 1288, 1633, 1886, 1988, 2164, 2296, 2911, 3266, 3772, 3787, 3976, 4328, 5822, 6532, 6601, 7544, 7574, 11431, 11644, 12443, 13064, 13202, 15148, 20377, 22181, 22862, 23288, 24886, 26404, 30296, 38411, 40754, 44362, 45724, 49772, 52808, 66953, 76822, 81508, 87101, 88724, 91448, 99544, 133906, 153644, 155267, 163016, 174202, 177448, 267812, 268877, 307288, 310534, 348404, 468671, 510163, 535624, 537754, 621068, 696808, 883453, 937342, 1020326, 1075508, 1242136, 1574851, 1766906, 1874684, 2040652, 2151016, 3149702, 3533812, 3571141, 3749368, 4081304, 6184171, 6299404, 7067624, 7142282, 11023957, 12368342, 12598808, 14284564, 22047914, 24736684, 28569128, 36221573, 44095828, 49473368, 72443146, 88191656, 144886292, 253551011, 289772584, 507102022, 1014204044, 2028408088]

約数ペア:

[(1, 2028408088), (2, 1014204044), (4, 507102022), (7, 289772584), (8, 253551011), (14, 144886292), (23, 88191656), (28, 72443146), (41, 49473368), (46, 44095828), (56, 36221573), (71, 28569128), (82, 24736684), (92, 22047914), (142, 14284564), (161, 12598808), (164, 12368342), (184, 11023957), (284, 7142282), (287, 7067624), (322, 6299404), (328, 6184171), (497, 4081304), (541, 3749368), (568, 3571141), (574, 3533812), (644, 3149702), (943, 2151016), (994, 2040652), (1082, 1874684), (1148, 1766906), (1288, 1574851), (1633, 1242136), (1886, 1075508), (1988, 1020326), (2164, 937342), (2296, 883453), (2911, 696808), (3266, 621068), (3772, 537754), (3787, 535624), (3976, 510163), (4328, 468671), (5822, 348404), (6532, 310534), (6601, 307288), (7544, 268877), (7574, 267812), (11431, 177448), (11644, 174202), (12443, 163016), (13064, 155267), (13202, 153644), (15148, 133906), (20377, 99544), (22181, 91448), (22862, 88724), (23288, 87101), (24886, 81508), (26404, 76822), (30296, 66953), (38411, 52808), (40754, 49772), (44362, 45724)]