189339780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{450809}}^1$

素因数の和:450828

約数の個数: 48

約数和(自身を含む): 605888640

約数和(自身を除く): 416548860

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, 450809, 901618, 1352427, 1803236, 2254045, 2704854, 3155663, 4508090, 5409708, 6311326, 6762135, 9016180, 9466989, 12622652, 13524270, 15778315, 18933978, 27048540, 31556630, 37867956, 47334945, 63113260, 94669890, 189339780]

約数ペア:

[(1, 189339780), (2, 94669890), (3, 63113260), (4, 47334945), (5, 37867956), (6, 31556630), (7, 27048540), (10, 18933978), (12, 15778315), (14, 13524270), (15, 12622652), (20, 9466989), (21, 9016180), (28, 6762135), (30, 6311326), (35, 5409708), (42, 4508090), (60, 3155663), (70, 2704854), (84, 2254045), (105, 1803236), (140, 1352427), (210, 901618), (420, 450809)]