30711978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 74692800

約数和(自身を除く): 43980822

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 121, 177, 198, 239, 242, 354, 363, 478, 531, 649, 717, 726, 1062, 1089, 1298, 1434, 1947, 2151, 2178, 2629, 3894, 4302, 5258, 5841, 7139, 7887, 11682, 14101, 14278, 15774, 21417, 23661, 28202, 28919, 42303, 42834, 47322, 57838, 64251, 84606, 86757, 126909, 128502, 155111, 173514, 253818, 260271, 310222, 465333, 520542, 930666, 1395999, 1706221, 2791998, 3412442, 5118663, 10237326, 15355989, 30711978]

約数ペア:

[(1, 30711978), (2, 15355989), (3, 10237326), (6, 5118663), (9, 3412442), (11, 2791998), (18, 1706221), (22, 1395999), (33, 930666), (59, 520542), (66, 465333), (99, 310222), (118, 260271), (121, 253818), (177, 173514), (198, 155111), (239, 128502), (242, 126909), (354, 86757), (363, 84606), (478, 64251), (531, 57838), (649, 47322), (717, 42834), (726, 42303), (1062, 28919), (1089, 28202), (1298, 23661), (1434, 21417), (1947, 15774), (2151, 14278), (2178, 14101), (2629, 11682), (3894, 7887), (4302, 7139), (5258, 5841)]