398184584

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 905616000

約数和(自身を除く): 507431416

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 151, 196, 217, 248, 302, 343, 392, 434, 604, 686, 868, 961, 1057, 1208, 1372, 1519, 1736, 1922, 2114, 2744, 3038, 3844, 4228, 4681, 6076, 6727, 7399, 7688, 8456, 9362, 10633, 12152, 13454, 14798, 18724, 21266, 26908, 29596, 32767, 37448, 42532, 47089, 51793, 53816, 59192, 65534, 85064, 94178, 103586, 131068, 145111, 188356, 207172, 229369, 262136, 290222, 329623, 376712, 414344, 458738, 580444, 659246, 917476, 1015777, 1160888, 1318492, 1605583, 1834952, 2031554, 2636984, 3211166, 4063108, 6422332, 7110439, 8126216, 12844664, 14220878, 28441756, 49773073, 56883512, 99546146, 199092292, 398184584]

約数ペア:

[(1, 398184584), (2, 199092292), (4, 99546146), (7, 56883512), (8, 49773073), (14, 28441756), (28, 14220878), (31, 12844664), (49, 8126216), (56, 7110439), (62, 6422332), (98, 4063108), (124, 3211166), (151, 2636984), (196, 2031554), (217, 1834952), (248, 1605583), (302, 1318492), (343, 1160888), (392, 1015777), (434, 917476), (604, 659246), (686, 580444), (868, 458738), (961, 414344), (1057, 376712), (1208, 329623), (1372, 290222), (1519, 262136), (1736, 229369), (1922, 207172), (2114, 188356), (2744, 145111), (3038, 131068), (3844, 103586), (4228, 94178), (4681, 85064), (6076, 65534), (6727, 59192), (7399, 53816), (7688, 51793), (8456, 47089), (9362, 42532), (10633, 37448), (12152, 32767), (13454, 29596), (14798, 26908), (18724, 21266)]