12470900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 29857464

約数和(自身を除く): 17386564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 181, 212, 260, 265, 325, 362, 530, 650, 689, 724, 905, 1060, 1300, 1325, 1378, 1810, 2353, 2650, 2756, 3445, 3620, 4525, 4706, 5300, 6890, 9050, 9412, 9593, 11765, 13780, 17225, 18100, 19186, 23530, 34450, 38372, 47060, 47965, 58825, 68900, 95930, 117650, 124709, 191860, 235300, 239825, 249418, 479650, 498836, 623545, 959300, 1247090, 2494180, 3117725, 6235450, 12470900]

約数ペア:

[(1, 12470900), (2, 6235450), (4, 3117725), (5, 2494180), (10, 1247090), (13, 959300), (20, 623545), (25, 498836), (26, 479650), (50, 249418), (52, 239825), (53, 235300), (65, 191860), (100, 124709), (106, 117650), (130, 95930), (181, 68900), (212, 58825), (260, 47965), (265, 47060), (325, 38372), (362, 34450), (530, 23530), (650, 19186), (689, 18100), (724, 17225), (905, 13780), (1060, 11765), (1300, 9593), (1325, 9412), (1378, 9050), (1810, 6890), (2353, 5300), (2650, 4706), (2756, 4525), (3445, 3620)]