490110660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209449}}^1$

素因数の和:209477

約数の個数: 72

約数和(自身を含む): 1601035800

約数和(自身を除く): 1110925140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 209449, 418898, 628347, 837796, 1047245, 1256694, 1885041, 2094490, 2513388, 2722837, 3141735, 3770082, 4188980, 5445674, 6283470, 7540164, 8168511, 9425205, 10891348, 12566940, 13614185, 16337022, 18850410, 24505533, 27228370, 32674044, 37700820, 40842555, 49011066, 54456740, 81685110, 98022132, 122527665, 163370220, 245055330, 490110660]

約数ペア:

[(1, 490110660), (2, 245055330), (3, 163370220), (4, 122527665), (5, 98022132), (6, 81685110), (9, 54456740), (10, 49011066), (12, 40842555), (13, 37700820), (15, 32674044), (18, 27228370), (20, 24505533), (26, 18850410), (30, 16337022), (36, 13614185), (39, 12566940), (45, 10891348), (52, 9425205), (60, 8168511), (65, 7540164), (78, 6283470), (90, 5445674), (117, 4188980), (130, 3770082), (156, 3141735), (180, 2722837), (195, 2513388), (234, 2094490), (260, 1885041), (390, 1256694), (468, 1047245), (585, 837796), (780, 628347), (1170, 418898), (2340, 209449)]