380231440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{42061}}^1$

素因数の和:42187

約数の個数: 40

約数和(自身を含む): 891882648

約数和(自身を除く): 511651208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 42061, 84122, 168244, 210305, 336488, 420610, 672976, 841220, 1682440, 3364880, 4752893, 9505786, 19011572, 23764465, 38023144, 47528930, 76046288, 95057860, 190115720, 380231440]

約数ペア:

[(1, 380231440), (2, 190115720), (4, 95057860), (5, 76046288), (8, 47528930), (10, 38023144), (16, 23764465), (20, 19011572), (40, 9505786), (80, 4752893), (113, 3364880), (226, 1682440), (452, 841220), (565, 672976), (904, 420610), (1130, 336488), (1808, 210305), (2260, 168244), (4520, 84122), (9040, 42061)]