201400780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1535

約数の個数: 72

約数和(自身を含む): 495615456

約数和(自身を除く): 294214676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1361, 1510, 2114, 2722, 3020, 4228, 5285, 5444, 6805, 7399, 9527, 10570, 13610, 14798, 19054, 21140, 27220, 29596, 36995, 38108, 47635, 66689, 73990, 95270, 133378, 147980, 190540, 205511, 266756, 333445, 411022, 666890, 822044, 1027555, 1333780, 1438577, 2055110, 2877154, 4110220, 5754308, 7192885, 10070039, 14385770, 20140078, 28771540, 40280156, 50350195, 100700390, 201400780]

約数ペア:

[(1, 201400780), (2, 100700390), (4, 50350195), (5, 40280156), (7, 28771540), (10, 20140078), (14, 14385770), (20, 10070039), (28, 7192885), (35, 5754308), (49, 4110220), (70, 2877154), (98, 2055110), (140, 1438577), (151, 1333780), (196, 1027555), (245, 822044), (302, 666890), (490, 411022), (604, 333445), (755, 266756), (980, 205511), (1057, 190540), (1361, 147980), (1510, 133378), (2114, 95270), (2722, 73990), (3020, 66689), (4228, 47635), (5285, 38108), (5444, 36995), (6805, 29596), (7399, 27220), (9527, 21140), (10570, 19054), (13610, 14798)]