400314840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3189

約数の個数: 128

約数和(自身を含む): 1276344000

約数和(自身を除く): 876029160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 580, 696, 740, 870, 888, 1073, 1110, 1160, 1480, 1740, 2146, 2220, 3109, 3219, 3480, 4292, 4440, 5365, 6218, 6438, 8584, 9327, 10730, 12436, 12876, 15545, 16095, 18654, 21460, 24872, 25752, 31090, 32190, 37308, 42920, 46635, 62180, 64380, 74616, 90161, 93270, 115033, 124360, 128760, 180322, 186540, 230066, 270483, 345099, 360644, 373080, 450805, 460132, 540966, 575165, 690198, 721288, 901610, 920264, 1081932, 1150330, 1352415, 1380396, 1725495, 1803220, 2163864, 2300660, 2704830, 2760792, 3335957, 3450990, 3606440, 4601320, 5409660, 6671914, 6901980, 10007871, 10819320, 13343828, 13803960, 16679785, 20015742, 26687656, 33359570, 40031484, 50039355, 66719140, 80062968, 100078710, 133438280, 200157420, 400314840]

約数ペア:

[(1, 400314840), (2, 200157420), (3, 133438280), (4, 100078710), (5, 80062968), (6, 66719140), (8, 50039355), (10, 40031484), (12, 33359570), (15, 26687656), (20, 20015742), (24, 16679785), (29, 13803960), (30, 13343828), (37, 10819320), (40, 10007871), (58, 6901980), (60, 6671914), (74, 5409660), (87, 4601320), (111, 3606440), (116, 3450990), (120, 3335957), (145, 2760792), (148, 2704830), (174, 2300660), (185, 2163864), (222, 1803220), (232, 1725495), (290, 1380396), (296, 1352415), (348, 1150330), (370, 1081932), (435, 920264), (444, 901610), (555, 721288), (580, 690198), (696, 575165), (740, 540966), (870, 460132), (888, 450805), (1073, 373080), (1110, 360644), (1160, 345099), (1480, 270483), (1740, 230066), (2146, 186540), (2220, 180322), (3109, 128760), (3219, 124360), (3480, 115033), (4292, 93270), (4440, 90161), (5365, 74616), (6218, 64380), (6438, 62180), (8584, 46635), (9327, 42920), (10730, 37308), (12436, 32190), (12876, 31090), (15545, 25752), (16095, 24872), (18654, 21460)]