159393940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 347042304

約数和(自身を除く): 187648364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 811, 1268, 1585, 1622, 3170, 3244, 4055, 6340, 8110, 9827, 16220, 19654, 25141, 39308, 49135, 50282, 98270, 100564, 125705, 196540, 251410, 257087, 502820, 514174, 1028348, 1285435, 2570870, 5141740, 7969697, 15939394, 31878788, 39848485, 79696970, 159393940]

約数ペア:

[(1, 159393940), (2, 79696970), (4, 39848485), (5, 31878788), (10, 15939394), (20, 7969697), (31, 5141740), (62, 2570870), (124, 1285435), (155, 1028348), (310, 514174), (317, 502820), (620, 257087), (634, 251410), (811, 196540), (1268, 125705), (1585, 100564), (1622, 98270), (3170, 50282), (3244, 49135), (4055, 39308), (6340, 25141), (8110, 19654), (9827, 16220)]