280746872

素因数分解:

$2^3\times 7^3\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1141

約数の個数: 64

約数和(自身を含む): 620568000

約数和(自身を除く): 339821128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 343, 392, 404, 686, 707, 808, 1013, 1372, 1414, 2026, 2744, 2828, 4052, 4949, 5656, 7091, 8104, 9898, 14182, 19796, 28364, 34643, 39592, 49637, 56728, 69286, 99274, 102313, 138572, 198548, 204626, 277144, 347459, 397096, 409252, 694918, 716191, 818504, 1389836, 1432382, 2779672, 2864764, 5013337, 5729528, 10026674, 20053348, 35093359, 40106696, 70186718, 140373436, 280746872]

約数ペア:

[(1, 280746872), (2, 140373436), (4, 70186718), (7, 40106696), (8, 35093359), (14, 20053348), (28, 10026674), (49, 5729528), (56, 5013337), (98, 2864764), (101, 2779672), (196, 1432382), (202, 1389836), (343, 818504), (392, 716191), (404, 694918), (686, 409252), (707, 397096), (808, 347459), (1013, 277144), (1372, 204626), (1414, 198548), (2026, 138572), (2744, 102313), (2828, 99274), (4052, 69286), (4949, 56728), (5656, 49637), (7091, 39592), (8104, 34643), (9898, 28364), (14182, 19796)]