400540368

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1019}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 1092787200

約数和(自身を除く): 692246832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 431, 456, 862, 912, 1019, 1293, 1724, 2038, 2586, 3057, 3448, 4076, 5172, 6114, 6896, 8152, 8189, 10344, 12228, 16304, 16378, 19361, 20688, 24456, 24567, 32756, 38722, 48912, 49134, 58083, 65512, 77444, 98268, 116166, 131024, 154888, 196536, 232332, 309776, 393072, 439189, 464664, 878378, 929328, 1317567, 1756756, 2635134, 3513512, 5270268, 7027024, 8344591, 10540536, 16689182, 21081072, 25033773, 33378364, 50067546, 66756728, 100135092, 133513456, 200270184, 400540368]

約数ペア:

[(1, 400540368), (2, 200270184), (3, 133513456), (4, 100135092), (6, 66756728), (8, 50067546), (12, 33378364), (16, 25033773), (19, 21081072), (24, 16689182), (38, 10540536), (48, 8344591), (57, 7027024), (76, 5270268), (114, 3513512), (152, 2635134), (228, 1756756), (304, 1317567), (431, 929328), (456, 878378), (862, 464664), (912, 439189), (1019, 393072), (1293, 309776), (1724, 232332), (2038, 196536), (2586, 154888), (3057, 131024), (3448, 116166), (4076, 98268), (5172, 77444), (6114, 65512), (6896, 58083), (8152, 49134), (8189, 48912), (10344, 38722), (12228, 32756), (16304, 24567), (16378, 24456), (19361, 20688)]