203445320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2591}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 496419840

約数和(自身を除く): 292974520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 1208, 1510, 1963, 2591, 3020, 3926, 5182, 6040, 7852, 9815, 10364, 12955, 15704, 19630, 20728, 25910, 33683, 39260, 51820, 67366, 78520, 103640, 134732, 168415, 269464, 336830, 391241, 673660, 782482, 1347320, 1564964, 1956205, 3129928, 3912410, 5086133, 7824820, 10172266, 15649640, 20344532, 25430665, 40689064, 50861330, 101722660, 203445320]

約数ペア:

[(1, 203445320), (2, 101722660), (4, 50861330), (5, 40689064), (8, 25430665), (10, 20344532), (13, 15649640), (20, 10172266), (26, 7824820), (40, 5086133), (52, 3912410), (65, 3129928), (104, 1956205), (130, 1564964), (151, 1347320), (260, 782482), (302, 673660), (520, 391241), (604, 336830), (755, 269464), (1208, 168415), (1510, 134732), (1963, 103640), (2591, 78520), (3020, 67366), (3926, 51820), (5182, 39260), (6040, 33683), (7852, 25910), (9815, 20728), (10364, 19630), (12955, 15704)]