385504980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{917869}}^1$

素因数の和:917888

約数の個数: 48

約数和(自身を含む): 1233617280

約数和(自身を除く): 848112300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 917869, 1835738, 2753607, 3671476, 4589345, 5507214, 6425083, 9178690, 11014428, 12850166, 13768035, 18357380, 19275249, 25700332, 27536070, 32125415, 38550498, 55072140, 64250830, 77100996, 96376245, 128501660, 192752490, 385504980]

約数ペア:

[(1, 385504980), (2, 192752490), (3, 128501660), (4, 96376245), (5, 77100996), (6, 64250830), (7, 55072140), (10, 38550498), (12, 32125415), (14, 27536070), (15, 25700332), (20, 19275249), (21, 18357380), (28, 13768035), (30, 12850166), (35, 11014428), (42, 9178690), (60, 6425083), (70, 5507214), (84, 4589345), (105, 3671476), (140, 2753607), (210, 1835738), (420, 917869)]