439879336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 993484800

約数和(自身を除く): 553605464

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 43, 52, 62, 76, 86, 104, 124, 152, 167, 172, 247, 248, 334, 344, 403, 494, 559, 589, 668, 806, 817, 988, 1118, 1178, 1333, 1336, 1612, 1634, 1976, 2171, 2236, 2356, 2666, 3173, 3224, 3268, 4342, 4472, 4712, 5177, 5332, 6346, 6536, 7181, 7657, 8684, 10354, 10621, 10664, 12692, 14362, 15314, 17329, 17368, 20708, 21242, 25327, 25384, 28724, 30628, 34658, 41249, 41416, 42484, 50654, 57448, 61256, 67301, 69316, 82498, 84968, 93353, 98363, 101308, 134602, 136439, 138632, 164996, 186706, 196726, 202616, 222611, 269204, 272878, 329251, 329992, 373412, 393452, 445222, 538408, 545756, 658502, 746824, 786904, 890444, 1091512, 1278719, 1317004, 1773707, 1780888, 2557438, 2634008, 2893943, 3547414, 4229609, 5114876, 5787886, 7094828, 8459218, 10229752, 11575772, 14189656, 16918436, 23151544, 33836872, 54984917, 109969834, 219939668, 439879336]

約数ペア:

[(1, 439879336), (2, 219939668), (4, 109969834), (8, 54984917), (13, 33836872), (19, 23151544), (26, 16918436), (31, 14189656), (38, 11575772), (43, 10229752), (52, 8459218), (62, 7094828), (76, 5787886), (86, 5114876), (104, 4229609), (124, 3547414), (152, 2893943), (167, 2634008), (172, 2557438), (247, 1780888), (248, 1773707), (334, 1317004), (344, 1278719), (403, 1091512), (494, 890444), (559, 786904), (589, 746824), (668, 658502), (806, 545756), (817, 538408), (988, 445222), (1118, 393452), (1178, 373412), (1333, 329992), (1336, 329251), (1612, 272878), (1634, 269204), (1976, 222611), (2171, 202616), (2236, 196726), (2356, 186706), (2666, 164996), (3173, 138632), (3224, 136439), (3268, 134602), (4342, 101308), (4472, 98363), (4712, 93353), (5177, 84968), (5332, 82498), (6346, 69316), (6536, 67301), (7181, 61256), (7657, 57448), (8684, 50654), (10354, 42484), (10621, 41416), (10664, 41249), (12692, 34658), (14362, 30628), (15314, 28724), (17329, 25384), (17368, 25327), (20708, 21242)]