220071280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19237}}^1$

素因数の和:19274

約数の個数: 80

約数和(自身を含む): 601149024

約数和(自身を除く): 381077744

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 19237, 38474, 76948, 96185, 153896, 192370, 211607, 250081, 307792, 384740, 423214, 500162, 769480, 846428, 1000324, 1058035, 1250405, 1538960, 1692856, 2000648, 2116070, 2500810, 2750891, 3385712, 4001296, 4232140, 5001620, 5501782, 8464280, 10003240, 11003564, 13754455, 16928560, 20006480, 22007128, 27508910, 44014256, 55017820, 110035640, 220071280]

約数ペア:

[(1, 220071280), (2, 110035640), (4, 55017820), (5, 44014256), (8, 27508910), (10, 22007128), (11, 20006480), (13, 16928560), (16, 13754455), (20, 11003564), (22, 10003240), (26, 8464280), (40, 5501782), (44, 5001620), (52, 4232140), (55, 4001296), (65, 3385712), (80, 2750891), (88, 2500810), (104, 2116070), (110, 2000648), (130, 1692856), (143, 1538960), (176, 1250405), (208, 1058035), (220, 1000324), (260, 846428), (286, 769480), (440, 500162), (520, 423214), (572, 384740), (715, 307792), (880, 250081), (1040, 211607), (1144, 192370), (1430, 153896), (2288, 96185), (2860, 76948), (5720, 38474), (11440, 19237)]