2139001600

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5479}}^1$

素因数の和:5566

約数の個数: 108

約数和(自身を含む): 5382138160

約数和(自身を除く): 3243136560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 610, 640, 800, 976, 1220, 1280, 1525, 1600, 1952, 2440, 3050, 3200, 3904, 4880, 5479, 6100, 6400, 7808, 9760, 10958, 12200, 15616, 19520, 21916, 24400, 27395, 39040, 43832, 48800, 54790, 78080, 87664, 97600, 109580, 136975, 175328, 195200, 219160, 273950, 334219, 350656, 390400, 438320, 547900, 668438, 701312, 876640, 1095800, 1336876, 1402624, 1671095, 1753280, 2191600, 2673752, 3342190, 3506560, 4383200, 5347504, 6684380, 7013120, 8355475, 8766400, 10695008, 13368760, 16710950, 17532800, 21390016, 26737520, 33421900, 35065600, 42780032, 53475040, 66843800, 85560064, 106950080, 133687600, 213900160, 267375200, 427800320, 534750400, 1069500800, 2139001600]

約数ペア:

[(1, 2139001600), (2, 1069500800), (4, 534750400), (5, 427800320), (8, 267375200), (10, 213900160), (16, 133687600), (20, 106950080), (25, 85560064), (32, 66843800), (40, 53475040), (50, 42780032), (61, 35065600), (64, 33421900), (80, 26737520), (100, 21390016), (122, 17532800), (128, 16710950), (160, 13368760), (200, 10695008), (244, 8766400), (256, 8355475), (305, 7013120), (320, 6684380), (400, 5347504), (488, 4383200), (610, 3506560), (640, 3342190), (800, 2673752), (976, 2191600), (1220, 1753280), (1280, 1671095), (1525, 1402624), (1600, 1336876), (1952, 1095800), (2440, 876640), (3050, 701312), (3200, 668438), (3904, 547900), (4880, 438320), (5479, 390400), (6100, 350656), (6400, 334219), (7808, 273950), (9760, 219160), (10958, 195200), (12200, 175328), (15616, 136975), (19520, 109580), (21916, 97600), (24400, 87664), (27395, 78080), (39040, 54790), (43832, 48800)]