289304860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 678363840

約数和(自身を除く): 389058980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 113, 130, 172, 215, 226, 229, 260, 430, 452, 458, 559, 565, 860, 916, 1118, 1130, 1145, 1469, 2236, 2260, 2290, 2795, 2938, 2977, 4580, 4859, 5590, 5876, 5954, 7345, 9718, 9847, 11180, 11908, 14690, 14885, 19436, 19694, 24295, 25877, 29380, 29770, 39388, 48590, 49235, 51754, 59540, 63167, 97180, 98470, 103508, 126334, 128011, 129385, 196940, 252668, 256022, 258770, 315835, 336401, 512044, 517540, 631670, 640055, 672802, 1112711, 1263340, 1280110, 1345604, 1682005, 2225422, 2560220, 3364010, 4450844, 5563555, 6728020, 11127110, 14465243, 22254220, 28930486, 57860972, 72326215, 144652430, 289304860]

約数ペア:

[(1, 289304860), (2, 144652430), (4, 72326215), (5, 57860972), (10, 28930486), (13, 22254220), (20, 14465243), (26, 11127110), (43, 6728020), (52, 5563555), (65, 4450844), (86, 3364010), (113, 2560220), (130, 2225422), (172, 1682005), (215, 1345604), (226, 1280110), (229, 1263340), (260, 1112711), (430, 672802), (452, 640055), (458, 631670), (559, 517540), (565, 512044), (860, 336401), (916, 315835), (1118, 258770), (1130, 256022), (1145, 252668), (1469, 196940), (2236, 129385), (2260, 128011), (2290, 126334), (2795, 103508), (2938, 98470), (2977, 97180), (4580, 63167), (4859, 59540), (5590, 51754), (5876, 49235), (5954, 48590), (7345, 39388), (9718, 29770), (9847, 29380), (11180, 25877), (11908, 24295), (14690, 19694), (14885, 19436)]