254646940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4441}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 555214464

約数和(自身を除く): 300567524

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 610, 940, 1220, 2867, 4441, 5734, 8882, 11468, 14335, 17764, 22205, 28670, 44410, 57340, 88820, 208727, 270901, 417454, 541802, 834908, 1043635, 1083604, 1354505, 2087270, 2709010, 4174540, 5418020, 12732347, 25464694, 50929388, 63661735, 127323470, 254646940]

約数ペア:

[(1, 254646940), (2, 127323470), (4, 63661735), (5, 50929388), (10, 25464694), (20, 12732347), (47, 5418020), (61, 4174540), (94, 2709010), (122, 2087270), (188, 1354505), (235, 1083604), (244, 1043635), (305, 834908), (470, 541802), (610, 417454), (940, 270901), (1220, 208727), (2867, 88820), (4441, 57340), (5734, 44410), (8882, 28670), (11468, 22205), (14335, 17764)]