261787130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 557323200

約数和(自身を除く): 295536070

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 121, 190, 193, 209, 242, 295, 386, 418, 590, 605, 649, 965, 1045, 1121, 1210, 1298, 1930, 2090, 2123, 2242, 2299, 3245, 3667, 4246, 4598, 5605, 6490, 7139, 7334, 10615, 11210, 11387, 11495, 12331, 14278, 18335, 21230, 22774, 22990, 23353, 24662, 35695, 36670, 40337, 46706, 56935, 61655, 71390, 80674, 113870, 116765, 123310, 125257, 135641, 201685, 216353, 233530, 250514, 271282, 403370, 432706, 443707, 626285, 678205, 887414, 1081765, 1252570, 1356410, 1377827, 2163530, 2218535, 2379883, 2755654, 4437070, 4759766, 6889135, 11899415, 13778270, 23798830, 26178713, 52357426, 130893565, 261787130]

約数ペア:

[(1, 261787130), (2, 130893565), (5, 52357426), (10, 26178713), (11, 23798830), (19, 13778270), (22, 11899415), (38, 6889135), (55, 4759766), (59, 4437070), (95, 2755654), (110, 2379883), (118, 2218535), (121, 2163530), (190, 1377827), (193, 1356410), (209, 1252570), (242, 1081765), (295, 887414), (386, 678205), (418, 626285), (590, 443707), (605, 432706), (649, 403370), (965, 271282), (1045, 250514), (1121, 233530), (1210, 216353), (1298, 201685), (1930, 135641), (2090, 125257), (2123, 123310), (2242, 116765), (2299, 113870), (3245, 80674), (3667, 71390), (4246, 61655), (4598, 56935), (5605, 46706), (6490, 40337), (7139, 36670), (7334, 35695), (10615, 24662), (11210, 23353), (11387, 22990), (11495, 22774), (12331, 21230), (14278, 18335)]