72613940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 174787200

約数和(自身を除く): 102173260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1019, 2036, 2038, 2545, 3563, 4076, 5090, 5095, 7126, 7133, 10180, 10190, 14252, 14266, 17815, 20380, 28532, 35630, 35665, 71260, 71330, 142660, 518671, 1037342, 2074684, 2593355, 3630697, 5186710, 7261394, 10373420, 14522788, 18153485, 36306970, 72613940]

約数ペア:

[(1, 72613940), (2, 36306970), (4, 18153485), (5, 14522788), (7, 10373420), (10, 7261394), (14, 5186710), (20, 3630697), (28, 2593355), (35, 2074684), (70, 1037342), (140, 518671), (509, 142660), (1018, 71330), (1019, 71260), (2036, 35665), (2038, 35630), (2545, 28532), (3563, 20380), (4076, 17815), (5090, 14266), (5095, 14252), (7126, 10190), (7133, 10180)]