149701988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 285768000

約数和(自身を除く): 136066012

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 107, 164, 214, 428, 449, 779, 898, 1558, 1796, 2033, 3116, 4066, 4387, 8132, 8531, 8774, 17062, 17548, 18409, 34124, 36818, 48043, 73636, 83353, 96086, 166706, 192172, 333412, 349771, 699542, 912817, 1399084, 1825634, 1969763, 3651268, 3939526, 7879052, 37425497, 74850994, 149701988]

約数ペア:

[(1, 149701988), (2, 74850994), (4, 37425497), (19, 7879052), (38, 3939526), (41, 3651268), (76, 1969763), (82, 1825634), (107, 1399084), (164, 912817), (214, 699542), (428, 349771), (449, 333412), (779, 192172), (898, 166706), (1558, 96086), (1796, 83353), (2033, 73636), (3116, 48043), (4066, 36818), (4387, 34124), (8132, 18409), (8531, 17548), (8774, 17062)]