1028240920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 2812268160

約数和(自身を除く): 1784027240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 337, 340, 476, 595, 641, 674, 680, 952, 1190, 1282, 1348, 1685, 2359, 2380, 2564, 2696, 3205, 3370, 4487, 4718, 4760, 5128, 5729, 6410, 6740, 8974, 9436, 10897, 11458, 11795, 12820, 13480, 17948, 18872, 21794, 22435, 22916, 23590, 25640, 28645, 35896, 40103, 43588, 44870, 45832, 47180, 54485, 57290, 76279, 80206, 87176, 89740, 94360, 108970, 114580, 152558, 160412, 179480, 200515, 216017, 217940, 229160, 305116, 320824, 381395, 401030, 432034, 435880, 610232, 762790, 802060, 864068, 1080085, 1512119, 1525580, 1604120, 1728136, 2160170, 3024238, 3051160, 3672289, 4320340, 6048476, 7344578, 7560595, 8640680, 12096952, 14689156, 15121190, 18361445, 25706023, 29378312, 30242380, 36722890, 51412046, 60484760, 73445780, 102824092, 128530115, 146891560, 205648184, 257060230, 514120460, 1028240920]

約数ペア:

[(1, 1028240920), (2, 514120460), (4, 257060230), (5, 205648184), (7, 146891560), (8, 128530115), (10, 102824092), (14, 73445780), (17, 60484760), (20, 51412046), (28, 36722890), (34, 30242380), (35, 29378312), (40, 25706023), (56, 18361445), (68, 15121190), (70, 14689156), (85, 12096952), (119, 8640680), (136, 7560595), (140, 7344578), (170, 6048476), (238, 4320340), (280, 3672289), (337, 3051160), (340, 3024238), (476, 2160170), (595, 1728136), (641, 1604120), (674, 1525580), (680, 1512119), (952, 1080085), (1190, 864068), (1282, 802060), (1348, 762790), (1685, 610232), (2359, 435880), (2380, 432034), (2564, 401030), (2696, 381395), (3205, 320824), (3370, 305116), (4487, 229160), (4718, 217940), (4760, 216017), (5128, 200515), (5729, 179480), (6410, 160412), (6740, 152558), (8974, 114580), (9436, 108970), (10897, 94360), (11458, 89740), (11795, 87176), (12820, 80206), (13480, 76279), (17948, 57290), (18872, 54485), (21794, 47180), (22435, 45832), (22916, 44870), (23590, 43588), (25640, 40103), (28645, 35896)]