1990110365820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{18433}}^1\times {\mathrm{599803}}^1$

素因数の和:618251

約数の個数: 72

約数和(自身を含む): 6037005667056

約数和(自身を除く): 4046895301236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 18433, 36866, 55299, 73732, 92165, 110598, 165897, 184330, 221196, 276495, 331794, 368660, 552990, 599803, 663588, 829485, 1105980, 1199606, 1658970, 1799409, 2399212, 2999015, 3317940, 3598818, 5398227, 5998030, 7197636, 8997045, 10796454, 11996060, 17994090, 21592908, 26991135, 35988180, 53982270, 107964540, 11056168699, 22112337398, 33168506097, 44224674796, 55280843495, 66337012194, 99505518291, 110561686990, 132674024388, 165842530485, 199011036582, 221123373980, 331685060970, 398022073164, 497527591455, 663370121940, 995055182910, 1990110365820]

約数ペア:

[(1, 1990110365820), (2, 995055182910), (3, 663370121940), (4, 497527591455), (5, 398022073164), (6, 331685060970), (9, 221123373980), (10, 199011036582), (12, 165842530485), (15, 132674024388), (18, 110561686990), (20, 99505518291), (30, 66337012194), (36, 55280843495), (45, 44224674796), (60, 33168506097), (90, 22112337398), (180, 11056168699), (18433, 107964540), (36866, 53982270), (55299, 35988180), (73732, 26991135), (92165, 21592908), (110598, 17994090), (165897, 11996060), (184330, 10796454), (221196, 8997045), (276495, 7197636), (331794, 5998030), (368660, 5398227), (552990, 3598818), (599803, 3317940), (663588, 2999015), (829485, 2399212), (1105980, 1799409), (1199606, 1658970)]