197874740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10627}}^1$

素因数の和:10669

約数の個数: 72

約数和(自身を含む): 508868640

約数和(自身を除く): 310993900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 10627, 18620, 21254, 42508, 53135, 74389, 106270, 148778, 201913, 212540, 297556, 371945, 403826, 520723, 743890, 807652, 1009565, 1041446, 1413391, 1487780, 2019130, 2082892, 2603615, 2826782, 4038260, 5207230, 5653564, 7066955, 9893737, 10414460, 14133910, 19787474, 28267820, 39574948, 49468685, 98937370, 197874740]

約数ペア:

[(1, 197874740), (2, 98937370), (4, 49468685), (5, 39574948), (7, 28267820), (10, 19787474), (14, 14133910), (19, 10414460), (20, 9893737), (28, 7066955), (35, 5653564), (38, 5207230), (49, 4038260), (70, 2826782), (76, 2603615), (95, 2082892), (98, 2019130), (133, 1487780), (140, 1413391), (190, 1041446), (196, 1009565), (245, 807652), (266, 743890), (380, 520723), (490, 403826), (532, 371945), (665, 297556), (931, 212540), (980, 201913), (1330, 148778), (1862, 106270), (2660, 74389), (3724, 53135), (4655, 42508), (9310, 21254), (10627, 18620)]