255211580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 596090880

約数和(自身を除く): 340879300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 127, 130, 131, 236, 254, 260, 262, 295, 508, 524, 590, 635, 655, 767, 1180, 1270, 1310, 1534, 1651, 1703, 2540, 2620, 3068, 3302, 3406, 3835, 6604, 6812, 7493, 7670, 7729, 8255, 8515, 14986, 15340, 15458, 16510, 16637, 17030, 29972, 30916, 33020, 33274, 34060, 37465, 38645, 66548, 74930, 77290, 83185, 97409, 100477, 149860, 154580, 166370, 194818, 200954, 216281, 332740, 389636, 401908, 432562, 487045, 502385, 865124, 974090, 981583, 1004770, 1081405, 1948180, 1963166, 2009540, 2162810, 3926332, 4325620, 4907915, 9815830, 12760579, 19631660, 25521158, 51042316, 63802895, 127605790, 255211580]

約数ペア:

[(1, 255211580), (2, 127605790), (4, 63802895), (5, 51042316), (10, 25521158), (13, 19631660), (20, 12760579), (26, 9815830), (52, 4907915), (59, 4325620), (65, 3926332), (118, 2162810), (127, 2009540), (130, 1963166), (131, 1948180), (236, 1081405), (254, 1004770), (260, 981583), (262, 974090), (295, 865124), (508, 502385), (524, 487045), (590, 432562), (635, 401908), (655, 389636), (767, 332740), (1180, 216281), (1270, 200954), (1310, 194818), (1534, 166370), (1651, 154580), (1703, 149860), (2540, 100477), (2620, 97409), (3068, 83185), (3302, 77290), (3406, 74930), (3835, 66548), (6604, 38645), (6812, 37465), (7493, 34060), (7670, 33274), (7729, 33020), (8255, 30916), (8515, 29972), (14986, 17030), (15340, 16637), (15458, 16510)]