261667400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{76961}}^1$

素因数の和:76994

約数の個数: 48

約数和(自身を含む): 644171940

約数和(自身を除く): 382504540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 76961, 153922, 307844, 384805, 615688, 769610, 1308337, 1539220, 1924025, 2616674, 3078440, 3848050, 5233348, 6541685, 7696100, 10466696, 13083370, 15392200, 26166740, 32708425, 52333480, 65416850, 130833700, 261667400]

約数ペア:

[(1, 261667400), (2, 130833700), (4, 65416850), (5, 52333480), (8, 32708425), (10, 26166740), (17, 15392200), (20, 13083370), (25, 10466696), (34, 7696100), (40, 6541685), (50, 5233348), (68, 3848050), (85, 3078440), (100, 2616674), (136, 1924025), (170, 1539220), (200, 1308337), (340, 769610), (425, 615688), (680, 384805), (850, 307844), (1700, 153922), (3400, 76961)]