284562140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 616200480

約数和(自身を除く): 331638340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 2129, 3260, 4258, 6683, 8516, 10645, 13366, 21290, 26732, 33415, 42580, 66830, 87289, 133660, 174578, 347027, 349156, 436445, 694054, 872890, 1388108, 1735135, 1745780, 3470270, 6940540, 14228107, 28456214, 56912428, 71140535, 142281070, 284562140]

約数ペア:

[(1, 284562140), (2, 142281070), (4, 71140535), (5, 56912428), (10, 28456214), (20, 14228107), (41, 6940540), (82, 3470270), (163, 1745780), (164, 1735135), (205, 1388108), (326, 872890), (410, 694054), (652, 436445), (815, 349156), (820, 347027), (1630, 174578), (2129, 133660), (3260, 87289), (4258, 66830), (6683, 42580), (8516, 33415), (10645, 26732), (13366, 21290)]