27771940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 67116672

約数和(自身を除く): 39344732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1217, 1630, 2282, 2434, 3260, 4564, 4868, 5705, 6085, 8519, 11410, 12170, 17038, 22820, 24340, 34076, 42595, 85190, 170380, 198371, 396742, 793484, 991855, 1388597, 1983710, 2777194, 3967420, 5554388, 6942985, 13885970, 27771940]

約数ペア:

[(1, 27771940), (2, 13885970), (4, 6942985), (5, 5554388), (7, 3967420), (10, 2777194), (14, 1983710), (20, 1388597), (28, 991855), (35, 793484), (70, 396742), (140, 198371), (163, 170380), (326, 85190), (652, 42595), (815, 34076), (1141, 24340), (1217, 22820), (1630, 17038), (2282, 12170), (2434, 11410), (3260, 8519), (4564, 6085), (4868, 5705)]