278575288310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^2\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 565512116400

約数和(自身を除く): 286936828090

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 109, 110, 121, 142, 218, 242, 355, 419, 545, 605, 710, 781, 838, 1090, 1199, 1210, 1562, 2095, 2398, 3905, 4190, 4609, 5041, 5995, 7739, 7810, 8591, 9218, 10082, 11990, 13189, 15478, 17182, 23045, 25205, 26378, 29749, 38695, 42955, 45671, 46090, 50410, 50699, 55451, 59498, 65945, 77390, 85129, 85910, 91342, 101398, 110902, 131890, 148745, 170258, 228355, 253495, 277255, 297490, 327239, 425645, 456710, 502381, 506990, 549469, 554510, 609961, 654478, 851290, 936419, 1004762, 1098938, 1219922, 1636195, 1872838, 2112179, 2511905, 2747345, 3049805, 3242641, 3272390, 3599629, 4224358, 4682095, 5023810, 5494690, 5526191, 6044159, 6099610, 6485282, 7199258, 9364190, 10560895, 11052382, 12088318, 16213205, 17998145, 21121790, 23233969, 27630955, 30220795, 32426410, 35669051, 35996290, 46467938, 55261910, 60441590, 66485749, 71338102, 116169845, 132971498, 178345255, 230227511, 232339690, 255573659, 332428745, 356690510, 392359561, 460455022, 511147318, 664857490, 784719122, 1151137555, 1277868295, 1961797805, 2302275110, 2532502621, 2555736590, 3923595610, 5065005242, 12662513105, 25325026210, 27857528831, 55715057662, 139287644155, 278575288310]

約数ペア:

[(1, 278575288310), (2, 139287644155), (5, 55715057662), (10, 27857528831), (11, 25325026210), (22, 12662513105), (55, 5065005242), (71, 3923595610), (109, 2555736590), (110, 2532502621), (121, 2302275110), (142, 1961797805), (218, 1277868295), (242, 1151137555), (355, 784719122), (419, 664857490), (545, 511147318), (605, 460455022), (710, 392359561), (781, 356690510), (838, 332428745), (1090, 255573659), (1199, 232339690), (1210, 230227511), (1562, 178345255), (2095, 132971498), (2398, 116169845), (3905, 71338102), (4190, 66485749), (4609, 60441590), (5041, 55261910), (5995, 46467938), (7739, 35996290), (7810, 35669051), (8591, 32426410), (9218, 30220795), (10082, 27630955), (11990, 23233969), (13189, 21121790), (15478, 17998145), (17182, 16213205), (23045, 12088318), (25205, 11052382), (26378, 10560895), (29749, 9364190), (38695, 7199258), (42955, 6485282), (45671, 6099610), (46090, 6044159), (50410, 5526191), (50699, 5494690), (55451, 5023810), (59498, 4682095), (65945, 4224358), (77390, 3599629), (85129, 3272390), (85910, 3242641), (91342, 3049805), (101398, 2747345), (110902, 2511905), (131890, 2112179), (148745, 1872838), (170258, 1636195), (228355, 1219922), (253495, 1098938), (277255, 1004762), (297490, 936419), (327239, 851290), (425645, 654478), (456710, 609961), (502381, 554510), (506990, 549469)]