179950940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8761}}^1$

素因数の和:8862

約数の個数: 48

約数和(自身を含む): 412164480

約数和(自身を除く): 232213540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 8761, 10270, 17522, 20540, 35044, 43805, 87610, 113893, 175220, 227786, 455572, 569465, 692119, 1138930, 1384238, 2277860, 2768476, 3460595, 6921190, 8997547, 13842380, 17995094, 35990188, 44987735, 89975470, 179950940]

約数ペア:

[(1, 179950940), (2, 89975470), (4, 44987735), (5, 35990188), (10, 17995094), (13, 13842380), (20, 8997547), (26, 6921190), (52, 3460595), (65, 2768476), (79, 2277860), (130, 1384238), (158, 1138930), (260, 692119), (316, 569465), (395, 455572), (790, 227786), (1027, 175220), (1580, 113893), (2054, 87610), (4108, 43805), (5135, 35044), (8761, 20540), (10270, 17522)]