219489424

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 120

約数和(自身を含む): 557750016

約数和(自身を除く): 338260592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 248, 308, 341, 392, 434, 496, 539, 616, 682, 784, 821, 868, 1078, 1232, 1364, 1519, 1642, 1736, 2156, 2387, 2728, 3038, 3284, 3472, 4312, 4774, 5456, 5747, 6076, 6568, 8624, 9031, 9548, 11494, 12152, 13136, 16709, 18062, 19096, 22988, 24304, 25451, 33418, 36124, 38192, 40229, 45976, 50902, 63217, 66836, 72248, 80458, 91952, 101804, 126434, 133672, 144496, 160916, 178157, 203608, 252868, 267344, 279961, 321832, 356314, 407216, 442519, 505736, 559922, 643664, 712628, 885038, 1011472, 1119844, 1247099, 1425256, 1770076, 1959727, 2239688, 2494198, 2850512, 3540152, 3919454, 4479376, 4988396, 7080304, 7838908, 9976792, 13718089, 15677816, 19953584, 27436178, 31355632, 54872356, 109744712, 219489424]

約数ペア:

[(1, 219489424), (2, 109744712), (4, 54872356), (7, 31355632), (8, 27436178), (11, 19953584), (14, 15677816), (16, 13718089), (22, 9976792), (28, 7838908), (31, 7080304), (44, 4988396), (49, 4479376), (56, 3919454), (62, 3540152), (77, 2850512), (88, 2494198), (98, 2239688), (112, 1959727), (124, 1770076), (154, 1425256), (176, 1247099), (196, 1119844), (217, 1011472), (248, 885038), (308, 712628), (341, 643664), (392, 559922), (434, 505736), (496, 442519), (539, 407216), (616, 356314), (682, 321832), (784, 279961), (821, 267344), (868, 252868), (1078, 203608), (1232, 178157), (1364, 160916), (1519, 144496), (1642, 133672), (1736, 126434), (2156, 101804), (2387, 91952), (2728, 80458), (3038, 72248), (3284, 66836), (3472, 63217), (4312, 50902), (4774, 45976), (5456, 40229), (5747, 38192), (6076, 36124), (6568, 33418), (8624, 25451), (9031, 24304), (9548, 22988), (11494, 19096), (12152, 18062), (13136, 16709)]