197747140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1019}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 430456320

約数和(自身を除く): 232709180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 620, 626, 1019, 1252, 1565, 2038, 3130, 4076, 5095, 6260, 9703, 10190, 19406, 20380, 31589, 38812, 48515, 63178, 97030, 126356, 157945, 194060, 315890, 318947, 631780, 637894, 1275788, 1594735, 3189470, 6378940, 9887357, 19774714, 39549428, 49436785, 98873570, 197747140]

約数ペア:

[(1, 197747140), (2, 98873570), (4, 49436785), (5, 39549428), (10, 19774714), (20, 9887357), (31, 6378940), (62, 3189470), (124, 1594735), (155, 1275788), (310, 637894), (313, 631780), (620, 318947), (626, 315890), (1019, 194060), (1252, 157945), (1565, 126356), (2038, 97030), (3130, 63178), (4076, 48515), (5095, 38812), (6260, 31589), (9703, 20380), (10190, 19406)]