389314170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{617959}}^1$

素因数の和:617979

約数の個数: 48

約数和(自身を含む): 1156821120

約数和(自身を除く): 767506950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 617959, 1235918, 1853877, 3089795, 3707754, 4325713, 5561631, 6179590, 8651426, 9269385, 11123262, 12977139, 18538770, 21628565, 25954278, 27808155, 38931417, 43257130, 55616310, 64885695, 77862834, 129771390, 194657085, 389314170]

約数ペア:

[(1, 389314170), (2, 194657085), (3, 129771390), (5, 77862834), (6, 64885695), (7, 55616310), (9, 43257130), (10, 38931417), (14, 27808155), (15, 25954278), (18, 21628565), (21, 18538770), (30, 12977139), (35, 11123262), (42, 9269385), (45, 8651426), (63, 6179590), (70, 5561631), (90, 4325713), (105, 3707754), (126, 3089795), (210, 1853877), (315, 1235918), (630, 617959)]