438741820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 1040449536

約数和(自身を除く): 601707716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 127, 164, 205, 220, 254, 383, 410, 451, 508, 635, 766, 820, 902, 1270, 1397, 1532, 1804, 1915, 2255, 2540, 2794, 3830, 4213, 4510, 5207, 5588, 6985, 7660, 8426, 9020, 10414, 13970, 15703, 16852, 20828, 21065, 26035, 27940, 31406, 42130, 48641, 52070, 57277, 62812, 78515, 84260, 97282, 104140, 114554, 157030, 172733, 194564, 229108, 243205, 286385, 314060, 345466, 486410, 535051, 572770, 690932, 863665, 972820, 1070102, 1145540, 1727330, 1994281, 2140204, 2675255, 3454660, 3988562, 5350510, 7977124, 9971405, 10701020, 19942810, 21937091, 39885620, 43874182, 87748364, 109685455, 219370910, 438741820]

約数ペア:

[(1, 438741820), (2, 219370910), (4, 109685455), (5, 87748364), (10, 43874182), (11, 39885620), (20, 21937091), (22, 19942810), (41, 10701020), (44, 9971405), (55, 7977124), (82, 5350510), (110, 3988562), (127, 3454660), (164, 2675255), (205, 2140204), (220, 1994281), (254, 1727330), (383, 1145540), (410, 1070102), (451, 972820), (508, 863665), (635, 690932), (766, 572770), (820, 535051), (902, 486410), (1270, 345466), (1397, 314060), (1532, 286385), (1804, 243205), (1915, 229108), (2255, 194564), (2540, 172733), (2794, 157030), (3830, 114554), (4213, 104140), (4510, 97282), (5207, 84260), (5588, 78515), (6985, 62812), (7660, 57277), (8426, 52070), (9020, 48641), (10414, 42130), (13970, 31406), (15703, 27940), (16852, 26035), (20828, 21065)]