805366900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3581}}^1$

素因数の和:3781

約数の個数: 72

約数和(自身を含む): 1893488184

約数和(自身を除く): 1088121284

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 173, 260, 325, 346, 650, 692, 865, 1300, 1730, 2249, 3460, 3581, 4325, 4498, 7162, 8650, 8996, 11245, 14324, 17300, 17905, 22490, 35810, 44980, 46553, 56225, 71620, 89525, 93106, 112450, 179050, 186212, 224900, 232765, 358100, 465530, 619513, 931060, 1163825, 1239026, 2327650, 2478052, 3097565, 4655300, 6195130, 8053669, 12390260, 15487825, 16107338, 30975650, 32214676, 40268345, 61951300, 80536690, 161073380, 201341725, 402683450, 805366900]

約数ペア:

[(1, 805366900), (2, 402683450), (4, 201341725), (5, 161073380), (10, 80536690), (13, 61951300), (20, 40268345), (25, 32214676), (26, 30975650), (50, 16107338), (52, 15487825), (65, 12390260), (100, 8053669), (130, 6195130), (173, 4655300), (260, 3097565), (325, 2478052), (346, 2327650), (650, 1239026), (692, 1163825), (865, 931060), (1300, 619513), (1730, 465530), (2249, 358100), (3460, 232765), (3581, 224900), (4325, 186212), (4498, 179050), (7162, 112450), (8650, 93106), (8996, 89525), (11245, 71620), (14324, 56225), (17300, 46553), (17905, 44980), (22490, 35810)]