181806940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 454938624

約数和(自身を除く): 273131684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 163, 217, 257, 310, 326, 434, 514, 620, 652, 815, 868, 1028, 1085, 1141, 1285, 1630, 1799, 2170, 2282, 2570, 3260, 3598, 4340, 4564, 5053, 5140, 5705, 7196, 7967, 8995, 10106, 11410, 15934, 17990, 20212, 22820, 25265, 31868, 35371, 35980, 39835, 41891, 50530, 55769, 70742, 79670, 83782, 101060, 111538, 141484, 159340, 167564, 176855, 209455, 223076, 278845, 293237, 353710, 418910, 557690, 586474, 707420, 837820, 1115380, 1172948, 1298621, 1466185, 2597242, 2932370, 5194484, 5864740, 6493105, 9090347, 12986210, 18180694, 25972420, 36361388, 45451735, 90903470, 181806940]

約数ペア:

[(1, 181806940), (2, 90903470), (4, 45451735), (5, 36361388), (7, 25972420), (10, 18180694), (14, 12986210), (20, 9090347), (28, 6493105), (31, 5864740), (35, 5194484), (62, 2932370), (70, 2597242), (124, 1466185), (140, 1298621), (155, 1172948), (163, 1115380), (217, 837820), (257, 707420), (310, 586474), (326, 557690), (434, 418910), (514, 353710), (620, 293237), (652, 278845), (815, 223076), (868, 209455), (1028, 176855), (1085, 167564), (1141, 159340), (1285, 141484), (1630, 111538), (1799, 101060), (2170, 83782), (2282, 79670), (2570, 70742), (3260, 55769), (3598, 50530), (4340, 41891), (4564, 39835), (5053, 35980), (5140, 35371), (5705, 31868), (7196, 25265), (7967, 22820), (8995, 20212), (10106, 17990), (11410, 15934)]